Change age variable to let and reassign value

Changed 'const' to 'let' for age variable and reassigned it to 1.

Author: anitahy73

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;