Enhance comments for random number explanation

Updated comments to clarify the purpose of the random number generation and the evaluation order of expressions.

Author: anitahy73

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