From 2300ec7505b2d9c3c2f0bd69aecfd4ccf3c358a2 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 19:53:16 +0100
Subject: [PATCH 01/34] Add comments for count variable and assignment

Added comments to explain variable declaration and assignment.
---
 Sprint-2/1-key-exercises/1-count.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Sprint-2/1-key-exercises/1-count.js b/Sprint-2/1-key-exercises/1-count.js
index 117bcb2b6..bf906426d 100644
--- a/Sprint-2/1-key-exercises/1-count.js
+++ b/Sprint-2/1-key-exercises/1-count.js
@@ -3,4 +3,5 @@ let count = 0;
 count = count + 1;
 
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
+// Describe whaWt line 3 is doing, in particular focus on what = is doing
 // Describe what line 3 is doing, in particular focus on what = is doing

From 77546b4d268fefbaf4b3569347732da09ed7afe9 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 20:04:17 +0100
Subject: [PATCH 02/34] Generate initials from name variables

Updated the initials variable to dynamically generate initials from first, middle, and last names.
---
 Sprint-2/1-key-exercises/2-initials.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/1-key-exercises/2-initials.js b/Sprint-2/1-key-exercises/2-initials.js
index 964c9563c..aa9d69f65 100644
--- a/Sprint-2/1-key-exercises/2-initials.js
+++ b/Sprint-2/1-key-exercises/2-initials.js
@@ -4,7 +4,12 @@ const lastName = "Johnson";
 
 // Declare a variable called initials that stores the first character of each string.
 // This should produce the string "CKJ", but you must not write the characters C, K, or J in the code of your solution.
+let initials =
+  `${firstName.charAt(0)}` +
+  `${middleName.charAt(0)}` +
+  `${lastName.charAt(0)}`;
+
+console.log(initials);
 
-const initials = ``;
 
 // https://www.google.com/search?q=get+first+character+of+string+mdn

From 1e39939f549cad52e2416f17338573371c71c6ef Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 20:06:33 +0100
Subject: [PATCH 03/34] Fix comments in 1-count.js for clarity

Corrected comments to clarify the purpose of line 3.
---
 Sprint-2/1-key-exercises/1-count.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/1-key-exercises/1-count.js b/Sprint-2/1-key-exercises/1-count.js
index bf906426d..66ee61450 100644
--- a/Sprint-2/1-key-exercises/1-count.js
+++ b/Sprint-2/1-key-exercises/1-count.js
@@ -3,5 +3,6 @@ let count = 0;
 count = count + 1;
 
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
-// Describe whaWt line 3 is doing, in particular focus on what = is doing
-// Describe what line 3 is doing, in particular focus on what = is doing
+// Describe whaWt line 3 is doing, in particular focus on what = we calculate the value of sum operator and put it in left variable.
+
+

From d6958a19c7f40805e3e49418137f8709c257fa0f Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 20:11:12 +0100
Subject: [PATCH 04/34] Extract directory and extension from filePath

Added variables to extract directory and extension from filePath.
---
 Sprint-2/1-key-exercises/3-paths.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Sprint-2/1-key-exercises/3-paths.js b/Sprint-2/1-key-exercises/3-paths.js
index ab90ebb28..ef5afac10 100644
--- a/Sprint-2/1-key-exercises/3-paths.js
+++ b/Sprint-2/1-key-exercises/3-paths.js
@@ -16,8 +16,10 @@ console.log(`The base part of ${filePath} is ${base}`);
 
 // Create a variable to store the dir part of the filePath variable
 // Create a variable to store the ext part of the variable
+const dir = filePath.slice(0, lastSlashIndex);
+console.log(`The direction of the file is ${dir}`);
+const ext = filePath.slice(filePath.lastIndexOf(".") + 1);
+console.log(`The extenction of the file is ${ext}`);
 
-const dir = ;
-const ext = ;
 
-// https://www.google.com/search?q=slice+mdn
\ No newline at end of file
+// https://www.google.com/search?q=slice+mdn

From 6c5f201e85d1743203e08745a16b08b84e371a95 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 20:15:50 +0100
Subject: [PATCH 05/34] Enhance comments for random number explanation

Updated comments to clarify the purpose of the random number generation and the evaluation order of expressions.
---
 Sprint-2/1-key-exercises/4-random.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/1-key-exercises/4-random.js b/Sprint-2/1-key-exercises/4-random.js
index 292f83aab..86bec3540 100644
--- a/Sprint-2/1-key-exercises/4-random.js
+++ b/Sprint-2/1-key-exercises/4-random.js
@@ -3,7 +3,9 @@ const maximum = 100;
 
 const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
 
-// In this exercise, you will need to work out what num represents?
+// In this exercise, you will need to work out what num represents?It gives us a random number between 1-100
 // Try breaking down the expression and using documentation to explain what it means
+ //Math.random gives us a random number between 0-1 and the next parantecec returns 100
+//after that we multiple these two given values between 0-100 and the floor methode rounds down the given value
 // It will help to think about the order in which expressions are evaluated
 // Try logging the value of num and running the program several times to build an idea of what the program is doing

From 4b1bd0d5064706badccd05bbbdeaa53dad7abeee Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 20:18:59 +0100
Subject: [PATCH 06/34] Comment out instructions in 0.js

---
 Sprint-2/2-mandatory-errors/0.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/2-mandatory-errors/0.js b/Sprint-2/2-mandatory-errors/0.js
index cf6c5039f..1a799bb21 100644
--- a/Sprint-2/2-mandatory-errors/0.js
+++ b/Sprint-2/2-mandatory-errors/0.js
@@ -1,2 +1,2 @@
-This is just an instruction for the first activity - but it is just for human consumption
-We don't want the computer to run these 2 lines - how can we solve this problem?
\ No newline at end of file
+//This is just an instruction for the first activity - but it is just for human consumption
+//We don't want the computer to run these 2 lines - how can we solve this problem? we can put back slash to change it into comments.

From 424ec1cf85f7c44fb93df1ceb33595ebd27d47d7 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 20:26:08 +0100
Subject: [PATCH 07/34] Change age variable to let and reassign value

Changed 'const' to 'let' for age variable and reassigned it to 1.
---
 Sprint-2/2-mandatory-errors/1.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/2-mandatory-errors/1.js b/Sprint-2/2-mandatory-errors/1.js
index 7a43cbea7..d919e07d8 100644
--- a/Sprint-2/2-mandatory-errors/1.js
+++ b/Sprint-2/2-mandatory-errors/1.js
@@ -1,4 +1,4 @@
 // trying to create an age variable and then reassign the value by 1
 
-const age = 33;
-age = age + 1;
+let age = 33;
+age = 1;

From 18a1da4b14fdaed094778323ad8dc7c6ad1639a5 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 20:27:37 +0100
Subject: [PATCH 08/34] Correct cityOfBirth declaration for logging

Fix variable declaration order to enable correct logging.
---
 Sprint-2/2-mandatory-errors/2.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/2-mandatory-errors/2.js b/Sprint-2/2-mandatory-errors/2.js
index e09b89831..7c9153857 100644
--- a/Sprint-2/2-mandatory-errors/2.js
+++ b/Sprint-2/2-mandatory-errors/2.js
@@ -1,5 +1,5 @@
 // Currently trying to print the string "I was born in Bolton" but it isn't working...
-// what's the error ?
+// what's the error 
 
-console.log(`I was born in ${cityOfBirth}`);
 const cityOfBirth = "Bolton";
+console.log(`I was born in ${cityOfBirth}`);

From 418784e95765066d7e96b768637f788182ad3db9 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 20:34:12 +0100
Subject: [PATCH 09/34] Fix last4Digits assignment to handle cardNumber
 correctly

Updated last4Digits assignment to convert cardNumber to a string before slicing.
---
 Sprint-2/2-mandatory-errors/3.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Sprint-2/2-mandatory-errors/3.js b/Sprint-2/2-mandatory-errors/3.js
index ec101884d..83d549787 100644
--- a/Sprint-2/2-mandatory-errors/3.js
+++ b/Sprint-2/2-mandatory-errors/3.js
@@ -1,9 +1,9 @@
 const cardNumber = 4533787178994213;
-const last4Digits = cardNumber.slice(-4);
-
+const last4Digits = string(cardNumber).slice(-4);
+console.log(last4Digits);
 // The last4Digits variable should store the last 4 digits of cardNumber
 // However, the code isn't working
-// Before running the code, make and explain a prediction about why the code won't work
+// Before running the code, make and explain a prediction about why the code won't work?this function works on string NOT numbers
 // Then run the code and see what error it gives.
 // Consider: Why does it give this error? Is this what I predicted? If not, what's different?
 // Then try updating the expression last4Digits is assigned to, in order to get the correct value

From 7753eb93f56561b46dc4fe569d527ce451a53c18 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 20:41:56 +0100
Subject: [PATCH 10/34] Fix variable naming for clock time constants

---
 Sprint-2/2-mandatory-errors/4.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/2-mandatory-errors/4.js b/Sprint-2/2-mandatory-errors/4.js
index 5f86c730b..afbfa6593 100644
--- a/Sprint-2/2-mandatory-errors/4.js
+++ b/Sprint-2/2-mandatory-errors/4.js
@@ -1,2 +1,2 @@
-const 12HourClockTime = "8:53pm";
-const 24hourClockTime = "20:53";
+const twelveHourClockTime = "8:53pm";
+const twentyFourHourClockTime= "20:53";

From b3a99c02d5fcf0a988376bf480dddd012a479dc7 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 21:12:16 +0100
Subject: [PATCH 11/34] Fix missing comma in replaceAll function call

---
 .../1-percentage-change.js                    | 26 ++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/Sprint-2/3-mandatory-interpret/1-percentage-change.js b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
index e24ecb8e1..8dbe29c84 100644
--- a/Sprint-2/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
@@ -2,7 +2,7 @@ let carPrice = "10,000";
 let priceAfterOneYear = "8,543";
 
 carPrice = Number(carPrice.replaceAll(",", ""));
-priceAfterOneYear = Number(priceAfterOneYear.replaceAll("," ""));
+priceAfterOneYear = Number(priceAfterOneYear.replaceAll("," ,""));
 
 const priceDifference = carPrice - priceAfterOneYear;
 const percentageChange = (priceDifference / carPrice) * 100;
@@ -11,12 +11,32 @@ console.log(`The percentage change is ${percentageChange}`);
 
 // Read the code and then answer the questions below
 
-// a) How many function calls are there in this file? Write down all the lines where a function call is made
+// a) How many function calls are there in this file? Write down all the lines where a function call is made?
+//There are 5 function calls:
+//replaceAll
+//Line 4
+//Number(...)
+//Line 4
+//priceAfterOneYear.replaceAll(",", "")
+//Line 5
+//Number(...)
+//Line 5
+//console.log
 
 // b) Run the code and identify the line where the error is coming from - why is this error occurring? How can you fix this problem?
-
+//missing a comma between the two arguments.
 // c) Identify all the lines that are variable reassignment statements
+//carPrice = Number(carPrice.replaceAll(",", ""));
+//priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
+
 
 // d) Identify all the lines that are variable declarations
+//let carPrice
+//let priceAfterOneYear
+//const priceDifference
+//const percentageChange
 
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
+//it removes all commas from the string
+//converts the string "10000" into the number 10000
+//The purpose is to turn the price from a formatted string into a number

From ab458e3d4157dd4666673d969b5c7b2aef178a54 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 21:25:27 +0100
Subject: [PATCH 12/34] Add answers to code interpretation questions

Updated comments to provide answers to questions about the code.
---
 Sprint-2/3-mandatory-interpret/2-time-format.js | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/3-mandatory-interpret/2-time-format.js b/Sprint-2/3-mandatory-interpret/2-time-format.js
index 47d239558..3f58b3254 100644
--- a/Sprint-2/3-mandatory-interpret/2-time-format.js
+++ b/Sprint-2/3-mandatory-interpret/2-time-format.js
@@ -11,15 +11,21 @@ console.log(result);
 
 // For the piece of code above, read the code and then answer the following questions
 
-// a) How many variable declarations are there in this program?
+// a) How many variable declarations are there in this program?6
 
-// b) How many function calls are there?
+// b) How many function calls are there?1
 
 // c) Using documentation, explain what the expression movieLength % 60 represents
+//The % operator is called the remainder operator.
+//It gives you the remainder left over after division.
 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators
 
-// d) Interpret line 4, what does the expression assigned to totalMinutes mean?
+// d) Interpret line 4, what does the expression assigned to totalMinutes mean?This removes the seconds that don't make up a complete minute.
 
-// e) What do you think the variable result represents? Can you think of a better name for this variable?
+// e) What do you think the variable result represents? Can you think of a better name for this variable?creates a formatted representation of the movie's length in hours, minutes, and seconds.
 
 // f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
+	//Works properly for non-negative whole-number seconds; decimals/negative values cause formatting problems
+
+
+

From 78097f10343b5b88fb0830c58bfb1f6a7ad25c05 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 21:50:58 +0100
Subject: [PATCH 13/34] Enhance code readability with detailed comments

Added comments to explain the purpose of each line in the program.
---
 Sprint-2/3-mandatory-interpret/3-to-pounds.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Sprint-2/3-mandatory-interpret/3-to-pounds.js b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
index 60c9ace69..e04643e0e 100644
--- a/Sprint-2/3-mandatory-interpret/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
@@ -22,6 +22,12 @@ console.log(`£${pounds}.${pence}`);
 
 // You need to do a step-by-step breakdown of each line in this program
 // Try and describe the purpose / rationale behind each step
+//this function penceString.length-1 removes the last p from string so it values 3 because it contains 4 characters minues 1.
+//penceString.substring(0, 3) and it takes the characters from position 0 up to, but not including, position 3.
+//const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+//const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");This uses padStart() to make sure the string has at least 3 characters.
+//const pounds = paddedPenceNumberString.substring(0, paddedPenceNumberString.length - 2);
+//This line extracts the pounds part.
 
 // To begin, we can start with
 // 1. const penceString = "399p": initialises a string variable with the value "399p"

From e953ec66378f3339b514c9cee6a571179ec823ee Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sun, 20 Sep 2026 22:06:09 +0100
Subject: [PATCH 14/34] Update explanations for alert and prompt functions

Clarified effects and return values of alert and prompt functions.
---
 Sprint-2/4-stretch-explore/chrome.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/4-stretch-explore/chrome.md b/Sprint-2/4-stretch-explore/chrome.md
index 962580b82..37b9a35f7 100644
--- a/Sprint-2/4-stretch-explore/chrome.md
+++ b/Sprint-2/4-stretch-explore/chrome.md
@@ -8,8 +8,9 @@ Let's try an example.
 In the Chrome console, invoke the function `alert` with one argument, the string `"Hello world!"`;
 
 What effect does calling the `alert` function have?
+alert() is a function that displays a message to the user.its return value is undefined.
 
 Now try invoking the function `prompt` with a string input of `"What is your name?"` - store the return value of your call to `prompt` in an variable called `myName`.
 
-What effect does calling the `prompt` function have?
-What is the return value of `prompt`?
+What effect does calling the `prompt` function have?It provides a text box where the user can enter their name, along with buttons such as OK and Cancel.
+What is the return value of `prompt`? prompt() returns a value.

From 87532a75a52415876ea021a2905627fe59312217 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Mon, 21 Sep 2026 22:21:58 +0100
Subject: [PATCH 15/34] Fix type conversion for last 4 digits extraction

Corrected the type conversion from 'string' to 'String' for proper functionality.
---
 Sprint-2/2-mandatory-errors/3.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-2/2-mandatory-errors/3.js b/Sprint-2/2-mandatory-errors/3.js
index 83d549787..eb148b7c9 100644
--- a/Sprint-2/2-mandatory-errors/3.js
+++ b/Sprint-2/2-mandatory-errors/3.js
@@ -1,5 +1,5 @@
 const cardNumber = 4533787178994213;
-const last4Digits = string(cardNumber).slice(-4);
+const last4Digits = String(cardNumber).slice(-4);
 console.log(last4Digits);
 // The last4Digits variable should store the last 4 digits of cardNumber
 // However, the code isn't working

From 87d18e1fce62540ed12d12a1404fd91939b13d63 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Mon, 21 Sep 2026 22:30:24 +0100
Subject: [PATCH 16/34] Fix age reassignment to increment by 1

---
 Sprint-2/2-mandatory-errors/1.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/2-mandatory-errors/1.js b/Sprint-2/2-mandatory-errors/1.js
index d919e07d8..c3714c46a 100644
--- a/Sprint-2/2-mandatory-errors/1.js
+++ b/Sprint-2/2-mandatory-errors/1.js
@@ -1,4 +1,5 @@
 // trying to create an age variable and then reassign the value by 1
 
 let age = 33;
-age = 1;
+age = age + 1;
+console.log(age)

From 77da0b4015874dbef243eb2eca8654006d67ee0a Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Mon, 21 Sep 2026 22:52:41 +0100
Subject: [PATCH 17/34] Update comment for clarity on ReferenceError

Fixed comment to clarify the error message.
---
 Sprint-2/2-mandatory-errors/2.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/2-mandatory-errors/2.js b/Sprint-2/2-mandatory-errors/2.js
index 7c9153857..d57ab0492 100644
--- a/Sprint-2/2-mandatory-errors/2.js
+++ b/Sprint-2/2-mandatory-errors/2.js
@@ -1,5 +1,6 @@
 // Currently trying to print the string "I was born in Bolton" but it isn't working...
-// what's the error 
+// what's the error?
+//ReferenceError: Cannot access 'cityOfBirth' before initialization
 
 const cityOfBirth = "Bolton";
 console.log(`I was born in ${cityOfBirth}`);

From 8a38be1f5d7eff076481ed56554668ad17d489aa Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Mon, 21 Sep 2026 23:04:28 +0100
Subject: [PATCH 18/34] Clarify comments on random number generation

Updated comments to clarify the random number generation process.
---
 Sprint-2/1-key-exercises/4-random.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-2/1-key-exercises/4-random.js b/Sprint-2/1-key-exercises/4-random.js
index 86bec3540..ae3937c49 100644
--- a/Sprint-2/1-key-exercises/4-random.js
+++ b/Sprint-2/1-key-exercises/4-random.js
@@ -4,7 +4,7 @@ const maximum = 100;
 const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
 
 // In this exercise, you will need to work out what num represents?It gives us a random number between 1-100
-// Try breaking down the expression and using documentation to explain what it means
+// Try breaking down the expression and using documentation to explain what it means? + minimum shifts it between 1-100 so the minimum number is 1 and the biggest one is 100
  //Math.random gives us a random number between 0-1 and the next parantecec returns 100
 //after that we multiple these two given values between 0-100 and the floor methode rounds down the given value
 // It will help to think about the order in which expressions are evaluated

From 6d264c242d2e22913e63371d4c3bbfb7ff1c63dd Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Mon, 21 Sep 2026 23:07:37 +0100
Subject: [PATCH 19/34] Comment out console.log and add notes for debugging

---
 Sprint-2/3-mandatory-interpret/1-percentage-change.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-2/3-mandatory-interpret/1-percentage-change.js b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
index 8dbe29c84..acdff48be 100644
--- a/Sprint-2/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
@@ -21,7 +21,7 @@ console.log(`The percentage change is ${percentageChange}`);
 //Line 5
 //Number(...)
 //Line 5
-//console.log
+//Line 9 ,console.log
 
 // b) Run the code and identify the line where the error is coming from - why is this error occurring? How can you fix this problem?
 //missing a comma between the two arguments.

From 2e91aea7b3d52d59cd1a579204aaab63ba0298e6 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Mon, 21 Sep 2026 23:19:23 +0100
Subject: [PATCH 20/34] Clarify error message and variable reassignment
 comments

Updated comments to clarify error details and variable reassignment.
---
 Sprint-2/3-mandatory-interpret/1-percentage-change.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-2/3-mandatory-interpret/1-percentage-change.js b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
index acdff48be..c8b9c7cd8 100644
--- a/Sprint-2/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
@@ -24,7 +24,7 @@ console.log(`The percentage change is ${percentageChange}`);
 //Line 9 ,console.log
 
 // b) Run the code and identify the line where the error is coming from - why is this error occurring? How can you fix this problem?
-//missing a comma between the two arguments.
+//error:line 5,SyntaxError: missing ) after argument list,missing a comma between the two arguments.
 // c) Identify all the lines that are variable reassignment statements
 //carPrice = Number(carPrice.replaceAll(",", ""));
 //priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));

From b48ce39f6c29ea9061f0a1184095757879e33393 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Tue, 22 Sep 2026 15:03:06 +0100
Subject: [PATCH 21/34] Refine comments in 2-time-format.js for better
 understanding

Updated comments for clarity and added explanations for variable meanings.
---
 Sprint-2/3-mandatory-interpret/2-time-format.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/3-mandatory-interpret/2-time-format.js b/Sprint-2/3-mandatory-interpret/2-time-format.js
index 3f58b3254..4eb7bfc13 100644
--- a/Sprint-2/3-mandatory-interpret/2-time-format.js
+++ b/Sprint-2/3-mandatory-interpret/2-time-format.js
@@ -15,15 +15,22 @@ console.log(result);
 
 // b) How many function calls are there?1
 
-// c) Using documentation, explain what the expression movieLength % 60 represents
+// c) Using documentation, explain what the expression movieLength % 60 represents?
+//8784 % 60=24
 //The % operator is called the remainder operator.
 //It gives you the remainder left over after division.
+//we can calculate the number of the left seconds after converting the movie length into whole minutes, 24 seconds left over after converting the movie's total length into whole minutes.
 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators
 
 // d) Interpret line 4, what does the expression assigned to totalMinutes mean?This removes the seconds that don't make up a complete minute.
+//Then it divides that number by 60 to convert the seconds into whole minutes.
+//we have 8784 seconds so 
 
-// e) What do you think the variable result represents? Can you think of a better name for this variable?creates a formatted representation of the movie's length in hours, minutes, and seconds.
+//8784 - 24 = 8760
+//8760 / 60 = 146 it is the total minutes
 
+// e) What do you think the variable result represents? Can you think of a better name for this variable?creates a formatted representation of the movie's length in hours, minutes, and seconds.
+//I can name it the movie duration
 // f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
 	//Works properly for non-negative whole-number seconds; decimals/negative values cause formatting problems
 

From f35bfdc3b79289ab889dde5f112719d2f0b0a5cf Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Tue, 22 Sep 2026 15:29:52 +0100
Subject: [PATCH 22/34] Improve comments for pence to pounds conversion

Updated comments to clarify the conversion process from pence to pounds.
---
 Sprint-2/3-mandatory-interpret/3-to-pounds.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/3-mandatory-interpret/3-to-pounds.js b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
index e04643e0e..b54ccbeb8 100644
--- a/Sprint-2/3-mandatory-interpret/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
@@ -28,6 +28,10 @@ console.log(`£${pounds}.${pence}`);
 //const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");This uses padStart() to make sure the string has at least 3 characters.
 //const pounds = paddedPenceNumberString.substring(0, paddedPenceNumberString.length - 2);
 //This line extracts the pounds part.
+//line14:penceString = "399p"
+
+//paddedPenceNumberString is "399".
+//The substring() takes the last two characters, so:"399" → "99"
+//Then .padEnd(2, "0") checks the string is at least 2 characters long. If it already has 2 characters, like "99", without changing the rest.
+//padEnd(2, "0") adds "0" to the end of the string until it reaches a length of 2 and finally line 18 prints the result which is £3.99
 
-// To begin, we can start with
-// 1. const penceString = "399p": initialises a string variable with the value "399p"

From 3a5af8c7356977939fae726e283b71bd35fae8b1 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Tue, 22 Sep 2026 21:09:35 +0100
Subject: [PATCH 23/34] Update comments for error identification in percentage
 change

Commented out lines for debugging and error identification.
---
 Sprint-2/3-mandatory-interpret/1-percentage-change.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/3-mandatory-interpret/1-percentage-change.js b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
index c8b9c7cd8..db4b67434 100644
--- a/Sprint-2/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
@@ -21,7 +21,8 @@ console.log(`The percentage change is ${percentageChange}`);
 //Line 5
 //Number(...)
 //Line 5
-//Line 9 ,console.log
+//priceAfterOneYear.replaceAll(",", "")
+//Line 10 ,console.log
 
 // b) Run the code and identify the line where the error is coming from - why is this error occurring? How can you fix this problem?
 //error:line 5,SyntaxError: missing ) after argument list,missing a comma between the two arguments.

From c2075ba9fc170ff5f9b59ed2a910d97a1159c7d4 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Tue, 22 Sep 2026 21:11:03 +0100
Subject: [PATCH 24/34] Clean up comments in 3-to-pounds.js

Removed commented-out code for padding pence number string.
---
 Sprint-2/3-mandatory-interpret/3-to-pounds.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Sprint-2/3-mandatory-interpret/3-to-pounds.js b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
index b54ccbeb8..161045952 100644
--- a/Sprint-2/3-mandatory-interpret/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
@@ -24,7 +24,6 @@ console.log(`£${pounds}.${pence}`);
 // Try and describe the purpose / rationale behind each step
 //this function penceString.length-1 removes the last p from string so it values 3 because it contains 4 characters minues 1.
 //penceString.substring(0, 3) and it takes the characters from position 0 up to, but not including, position 3.
-//const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
 //const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");This uses padStart() to make sure the string has at least 3 characters.
 //const pounds = paddedPenceNumberString.substring(0, paddedPenceNumberString.length - 2);
 //This line extracts the pounds part.

From 2d3769c4cad85007df07717b00e5b9a8e73d6c7e Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Thu, 24 Sep 2026 22:22:01 +0100
Subject: [PATCH 25/34] Fix TypeError by changing const to let for age

Corrected the reassignment of a constant variable in the code.
---
 Sprint-2/2-mandatory-errors/1.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-2/2-mandatory-errors/1.js b/Sprint-2/2-mandatory-errors/1.js
index c3714c46a..4cb5348f5 100644
--- a/Sprint-2/2-mandatory-errors/1.js
+++ b/Sprint-2/2-mandatory-errors/1.js
@@ -1,5 +1,5 @@
 // trying to create an age variable and then reassign the value by 1
-
+// the vatriable age was declared as a const variable and trying to assigne another value caused a TypeError: Assignment to constant variable.
 let age = 33;
 age = age + 1;
 console.log(age)

From 428cd8a5fef8225ccf603bd28e6c9ba3d1eb2de3 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Thu, 24 Sep 2026 22:29:38 +0100
Subject: [PATCH 26/34] Clarify error message for .slice() method usage

Added explanation about the error caused by using .slice() on a number.
---
 Sprint-2/2-mandatory-errors/3.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Sprint-2/2-mandatory-errors/3.js b/Sprint-2/2-mandatory-errors/3.js
index eb148b7c9..76ceec974 100644
--- a/Sprint-2/2-mandatory-errors/3.js
+++ b/Sprint-2/2-mandatory-errors/3.js
@@ -7,3 +7,5 @@ console.log(last4Digits);
 // Then run the code and see what error it gives.
 // Consider: Why does it give this error? Is this what I predicted? If not, what's different?
 // Then try updating the expression last4Digits is assigned to, in order to get the correct value
+
+// The .slice() method works on strings, but numbers don't have a .slice() method and it will cause this error : cardNumber.slice is not a function

From 918f3c4378ac1bd38698a0f43dff7427c51fc6c6 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Thu, 24 Sep 2026 22:32:48 +0100
Subject: [PATCH 27/34] Add comment about variable naming rules

Added a comment explaining that variable names cannot start with a number, which causes a SyntaxError.
---
 Sprint-2/2-mandatory-errors/4.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Sprint-2/2-mandatory-errors/4.js b/Sprint-2/2-mandatory-errors/4.js
index afbfa6593..be75cf641 100644
--- a/Sprint-2/2-mandatory-errors/4.js
+++ b/Sprint-2/2-mandatory-errors/4.js
@@ -1,2 +1,3 @@
 const twelveHourClockTime = "8:53pm";
 const twentyFourHourClockTime= "20:53";
+// a variable name cannot start with a number and it will cause a SyntaxError

From 7e294c80571faa398cfa41df9e2d9b9fcdf3ce38 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sat, 26 Sep 2026 16:05:35 +0100
Subject: [PATCH 28/34] Fix ReferenceError by declaring cityOfBirth first

Fixed the order of variable declaration and usage for cityOfBirth.
---
 Sprint-2/2-mandatory-errors/2.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-2/2-mandatory-errors/2.js b/Sprint-2/2-mandatory-errors/2.js
index d57ab0492..bd986fea5 100644
--- a/Sprint-2/2-mandatory-errors/2.js
+++ b/Sprint-2/2-mandatory-errors/2.js
@@ -1,5 +1,5 @@
 // Currently trying to print the string "I was born in Bolton" but it isn't working...
-// what's the error?
+// what's the error?in the original code,line 4 creates it and line 3 uses the createOfBirth,Then I changed console.log to the next line because we need to declare the variable before using it.
 //ReferenceError: Cannot access 'cityOfBirth' before initialization
 
 const cityOfBirth = "Bolton";

From 22a0e1d2e7dad8382845c54553eb2625b836fa1e Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sat, 26 Sep 2026 16:11:32 +0100
Subject: [PATCH 29/34] Update comment on type error for .slice() method

Clarified the error message explanation regarding the use of .slice() on numbers.
---
 Sprint-2/2-mandatory-errors/3.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-2/2-mandatory-errors/3.js b/Sprint-2/2-mandatory-errors/3.js
index 76ceec974..f8007c9d3 100644
--- a/Sprint-2/2-mandatory-errors/3.js
+++ b/Sprint-2/2-mandatory-errors/3.js
@@ -8,4 +8,4 @@ console.log(last4Digits);
 // Consider: Why does it give this error? Is this what I predicted? If not, what's different?
 // Then try updating the expression last4Digits is assigned to, in order to get the correct value
 
-// The .slice() method works on strings, but numbers don't have a .slice() method and it will cause this error : cardNumber.slice is not a function
+// The .slice() method works on strings, but numbers don't have a .slice() method and it will cause this error : cardNumber.slice is not a function and I think it's kind of type error.

From e57f96850dbf51de4d796f243a77d368ddfc9f1c Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sat, 26 Sep 2026 16:19:22 +0100
Subject: [PATCH 30/34] Improve comments for random number explanation

Clarify comments explaining the random number generation logic.
---
 Sprint-2/1-key-exercises/4-random.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-2/1-key-exercises/4-random.js b/Sprint-2/1-key-exercises/4-random.js
index ae3937c49..c7cb0df90 100644
--- a/Sprint-2/1-key-exercises/4-random.js
+++ b/Sprint-2/1-key-exercises/4-random.js
@@ -6,6 +6,6 @@ const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
 // In this exercise, you will need to work out what num represents?It gives us a random number between 1-100
 // Try breaking down the expression and using documentation to explain what it means? + minimum shifts it between 1-100 so the minimum number is 1 and the biggest one is 100
  //Math.random gives us a random number between 0-1 and the next parantecec returns 100
-//after that we multiple these two given values between 0-100 and the floor methode rounds down the given value
+//after that we multiple these two given values between 0-100 and the floor methode rounds down the given value and then adding 1(minimum) to the result.
 // It will help to think about the order in which expressions are evaluated
 // Try logging the value of num and running the program several times to build an idea of what the program is doing

From cd6f8ffd755e0bcf38bb07bc35592d7e1e63d70b Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sat, 26 Sep 2026 16:26:29 +0100
Subject: [PATCH 31/34] Clarify comments on function calls and errors

Updated comments for clarity on function calls and error explanation.
---
 .../3-mandatory-interpret/1-percentage-change.js  | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/Sprint-2/3-mandatory-interpret/1-percentage-change.js b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
index db4b67434..a3c4bc505 100644
--- a/Sprint-2/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
@@ -14,18 +14,15 @@ console.log(`The percentage change is ${percentageChange}`);
 // a) How many function calls are there in this file? Write down all the lines where a function call is made?
 //There are 5 function calls:
 //replaceAll
-//Line 4
+//Line 4 and 5
 //Number(...)
-//Line 4
-//priceAfterOneYear.replaceAll(",", "")
-//Line 5
-//Number(...)
-//Line 5
-//priceAfterOneYear.replaceAll(",", "")
-//Line 10 ,console.log
+//Line 4 and 5
+//console.log() 
+//Line 10 ,
 
 // b) Run the code and identify the line where the error is coming from - why is this error occurring? How can you fix this problem?
-//error:line 5,SyntaxError: missing ) after argument list,missing a comma between the two arguments.
+//error:line 5,SyntaxError: missing ) after argument list,there is a missing comma between the two arguments "," and " "
+
 // c) Identify all the lines that are variable reassignment statements
 //carPrice = Number(carPrice.replaceAll(",", ""));
 //priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));

From 74dd263c53933fe59af4fea268bfb94cb93f448c Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sat, 26 Sep 2026 16:32:17 +0100
Subject: [PATCH 32/34] Clarify comments on variable declarations and function
 calls

Updated comments to clarify variable declarations and function calls.
---
 Sprint-2/3-mandatory-interpret/2-time-format.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/3-mandatory-interpret/2-time-format.js b/Sprint-2/3-mandatory-interpret/2-time-format.js
index 4eb7bfc13..1fe8e7a57 100644
--- a/Sprint-2/3-mandatory-interpret/2-time-format.js
+++ b/Sprint-2/3-mandatory-interpret/2-time-format.js
@@ -11,9 +11,10 @@ console.log(result);
 
 // For the piece of code above, read the code and then answer the following questions
 
-// a) How many variable declarations are there in this program?6
+// a) How many variable declarations are there in this program? six variable,1-movieLenghth , 2- remainingSeconds
+//3-totalMinutes  , 4- totalHours , 5- result .
 
-// b) How many function calls are there?1
+// b) How many function calls are there? one function ,line 10 : console.log()
 
 // c) Using documentation, explain what the expression movieLength % 60 represents?
 //8784 % 60=24

From fbb60c9b36ea7f8a2ad146a4ed418ae1edf20f59 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sat, 26 Sep 2026 16:43:15 +0100
Subject: [PATCH 33/34] Refine comments in 3-to-pounds.js

Updated comments for clarity and consistency.
---
 Sprint-2/3-mandatory-interpret/3-to-pounds.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/3-mandatory-interpret/3-to-pounds.js b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
index 161045952..f44eacd93 100644
--- a/Sprint-2/3-mandatory-interpret/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
@@ -25,12 +25,16 @@ console.log(`£${pounds}.${pence}`);
 //this function penceString.length-1 removes the last p from string so it values 3 because it contains 4 characters minues 1.
 //penceString.substring(0, 3) and it takes the characters from position 0 up to, but not including, position 3.
 //const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");This uses padStart() to make sure the string has at least 3 characters.
+//padStart() adds characters to the begining of a string to make it 3 character long.
+
 //const pounds = paddedPenceNumberString.substring(0, paddedPenceNumberString.length - 2);
+// we remove the last two characters and stores the remaining part of the string as pounds.
 //This line extracts the pounds part.
 //line14:penceString = "399p"
 
 //paddedPenceNumberString is "399".
-//The substring() takes the last two characters, so:"399" → "99"
+//The substring() takes the last two characters as pence., so:"399" → "99"
 //Then .padEnd(2, "0") checks the string is at least 2 characters long. If it already has 2 characters, like "99", without changing the rest.
-//padEnd(2, "0") adds "0" to the end of the string until it reaches a length of 2 and finally line 18 prints the result which is £3.99
+//padEnd(2, "0") adds "0" to the end of the string until it reaches a length of 2.
+//finally line 18 combines pound and pence which is £3.99
 

From c403492febf2026ce1fdf67a34e347906010a9a2 Mon Sep 17 00:00:00 2001
From: anitahy73 <anita.hy73@gmail.com>
Date: Sat, 26 Sep 2026 21:17:23 +0100
Subject: [PATCH 34/34] Used Prettier to make the code prettier

---
 Sprint-2/1-key-exercises/1-count.js                   | 2 --
 Sprint-2/1-key-exercises/2-initials.js                | 1 -
 Sprint-2/1-key-exercises/3-paths.js                   | 1 -
 Sprint-2/1-key-exercises/4-random.js                  | 2 +-
 Sprint-2/2-mandatory-errors/1.js                      | 2 +-
 Sprint-2/2-mandatory-errors/4.js                      | 2 +-
 Sprint-2/3-mandatory-interpret/1-percentage-change.js | 5 ++---
 Sprint-2/3-mandatory-interpret/2-time-format.js       | 7 ++-----
 Sprint-2/3-mandatory-interpret/3-to-pounds.js         | 5 ++---
 9 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/Sprint-2/1-key-exercises/1-count.js b/Sprint-2/1-key-exercises/1-count.js
index 66ee61450..e55eaf0f6 100644
--- a/Sprint-2/1-key-exercises/1-count.js
+++ b/Sprint-2/1-key-exercises/1-count.js
@@ -4,5 +4,3 @@ count = count + 1;
 
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
 // Describe whaWt line 3 is doing, in particular focus on what = we calculate the value of sum operator and put it in left variable.
-
-
diff --git a/Sprint-2/1-key-exercises/2-initials.js b/Sprint-2/1-key-exercises/2-initials.js
index aa9d69f65..af023e837 100644
--- a/Sprint-2/1-key-exercises/2-initials.js
+++ b/Sprint-2/1-key-exercises/2-initials.js
@@ -11,5 +11,4 @@ let initials =
 
 console.log(initials);
 
-
 // https://www.google.com/search?q=get+first+character+of+string+mdn
diff --git a/Sprint-2/1-key-exercises/3-paths.js b/Sprint-2/1-key-exercises/3-paths.js
index ef5afac10..434bd6e8e 100644
--- a/Sprint-2/1-key-exercises/3-paths.js
+++ b/Sprint-2/1-key-exercises/3-paths.js
@@ -21,5 +21,4 @@ console.log(`The direction of the file is ${dir}`);
 const ext = filePath.slice(filePath.lastIndexOf(".") + 1);
 console.log(`The extenction of the file is ${ext}`);
 
-
 // https://www.google.com/search?q=slice+mdn
diff --git a/Sprint-2/1-key-exercises/4-random.js b/Sprint-2/1-key-exercises/4-random.js
index c7cb0df90..d0efc2b3d 100644
--- a/Sprint-2/1-key-exercises/4-random.js
+++ b/Sprint-2/1-key-exercises/4-random.js
@@ -5,7 +5,7 @@ const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
 
 // In this exercise, you will need to work out what num represents?It gives us a random number between 1-100
 // Try breaking down the expression and using documentation to explain what it means? + minimum shifts it between 1-100 so the minimum number is 1 and the biggest one is 100
- //Math.random gives us a random number between 0-1 and the next parantecec returns 100
+//Math.random gives us a random number between 0-1 and the next parantecec returns 100
 //after that we multiple these two given values between 0-100 and the floor methode rounds down the given value and then adding 1(minimum) to the result.
 // It will help to think about the order in which expressions are evaluated
 // Try logging the value of num and running the program several times to build an idea of what the program is doing
diff --git a/Sprint-2/2-mandatory-errors/1.js b/Sprint-2/2-mandatory-errors/1.js
index 4cb5348f5..64745bf9d 100644
--- a/Sprint-2/2-mandatory-errors/1.js
+++ b/Sprint-2/2-mandatory-errors/1.js
@@ -2,4 +2,4 @@
 // the vatriable age was declared as a const variable and trying to assigne another value caused a TypeError: Assignment to constant variable.
 let age = 33;
 age = age + 1;
-console.log(age)
+console.log(age);
diff --git a/Sprint-2/2-mandatory-errors/4.js b/Sprint-2/2-mandatory-errors/4.js
index be75cf641..65111a62c 100644
--- a/Sprint-2/2-mandatory-errors/4.js
+++ b/Sprint-2/2-mandatory-errors/4.js
@@ -1,3 +1,3 @@
 const twelveHourClockTime = "8:53pm";
-const twentyFourHourClockTime= "20:53";
+const twentyFourHourClockTime = "20:53";
 // a variable name cannot start with a number and it will cause a SyntaxError
diff --git a/Sprint-2/3-mandatory-interpret/1-percentage-change.js b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
index a3c4bc505..2cd1005c3 100644
--- a/Sprint-2/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
@@ -2,7 +2,7 @@ let carPrice = "10,000";
 let priceAfterOneYear = "8,543";
 
 carPrice = Number(carPrice.replaceAll(",", ""));
-priceAfterOneYear = Number(priceAfterOneYear.replaceAll("," ,""));
+priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
 
 const priceDifference = carPrice - priceAfterOneYear;
 const percentageChange = (priceDifference / carPrice) * 100;
@@ -17,7 +17,7 @@ console.log(`The percentage change is ${percentageChange}`);
 //Line 4 and 5
 //Number(...)
 //Line 4 and 5
-//console.log() 
+//console.log()
 //Line 10 ,
 
 // b) Run the code and identify the line where the error is coming from - why is this error occurring? How can you fix this problem?
@@ -27,7 +27,6 @@ console.log(`The percentage change is ${percentageChange}`);
 //carPrice = Number(carPrice.replaceAll(",", ""));
 //priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
 
-
 // d) Identify all the lines that are variable declarations
 //let carPrice
 //let priceAfterOneYear
diff --git a/Sprint-2/3-mandatory-interpret/2-time-format.js b/Sprint-2/3-mandatory-interpret/2-time-format.js
index 1fe8e7a57..4c22c5f81 100644
--- a/Sprint-2/3-mandatory-interpret/2-time-format.js
+++ b/Sprint-2/3-mandatory-interpret/2-time-format.js
@@ -25,7 +25,7 @@ console.log(result);
 
 // d) Interpret line 4, what does the expression assigned to totalMinutes mean?This removes the seconds that don't make up a complete minute.
 //Then it divides that number by 60 to convert the seconds into whole minutes.
-//we have 8784 seconds so 
+//we have 8784 seconds so
 
 //8784 - 24 = 8760
 //8760 / 60 = 146 it is the total minutes
@@ -33,7 +33,4 @@ console.log(result);
 // e) What do you think the variable result represents? Can you think of a better name for this variable?creates a formatted representation of the movie's length in hours, minutes, and seconds.
 //I can name it the movie duration
 // f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
-	//Works properly for non-negative whole-number seconds; decimals/negative values cause formatting problems
-
-
-
+//Works properly for non-negative whole-number seconds; decimals/negative values cause formatting problems
diff --git a/Sprint-2/3-mandatory-interpret/3-to-pounds.js b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
index f44eacd93..2ed986b55 100644
--- a/Sprint-2/3-mandatory-interpret/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
@@ -2,13 +2,13 @@ const penceString = "399p";
 
 const penceStringWithoutTrailingP = penceString.substring(
   0,
-  penceString.length - 1
+  penceString.length - 1,
 );
 
 const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
 const pounds = paddedPenceNumberString.substring(
   0,
-  paddedPenceNumberString.length - 2
+  paddedPenceNumberString.length - 2,
 );
 
 const pence = paddedPenceNumberString
@@ -37,4 +37,3 @@ console.log(`£${pounds}.${pence}`);
 //Then .padEnd(2, "0") checks the string is at least 2 characters long. If it already has 2 characters, like "99", without changing the rest.
 //padEnd(2, "0") adds "0" to the end of the string until it reaches a length of 2.
 //finally line 18 combines pound and pence which is £3.99
-