uncommingting correct code to be able to run

Author: AbdennourHachemi

Sprint-3/1-key-errors/0.js

@@ -5,15 +5,15 @@
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
 
-function capitalise(str) {
-  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
-  return str;
-}
-
-// =============> write your explanation here SyntaxError: Identifier 'str' has already been declared =>  line 10 varibale str should not be declared again.
-// =============> write your new code
 // function capitalise(str) {
-//   str = `${str[0].toUpperCase()}${str.slice(1)}`;
+//   let str = `${str[0].toUpperCase()}${str.slice(1)}`;
 //   return str;
 // }
-// console.log(capitalise("hello world"));
+
+// =============> write your explanation here SyntaxError: Identifier 'str' has already been declared =>  line 10 varibale str should not be declared again.
+// =============> write your new code
+function capitalise(str) {
+  str = `${str[0].toUpperCase()}${str.slice(1)}`;
+  return str;
+}
+console.log(capitalise("hello world"));

Sprint-3/1-key-errors/1.js

@@ -4,14 +4,14 @@
 // =============> write your prediction here D: Answer => variable decimalNumber is declared twice : one time in the parameter and another time inside the function
 
 
-function convertToPercentage(decimalNumber) {
-  //const decimalNumber = 0.5;
-  const percentage = `${decimalNumber * 100}%`;
+// function convertToPercentage(decimalNumber) {
+//   //const decimalNumber = 0.5;
+//   const percentage = `${decimalNumber * 100}%`;
 
-  return percentage;
-}
+//   return percentage;
+// }
 
-console.log(decimalNumber);
+// console.log(decimalNumber);
 
 // =============> write your explanation here
 //  solution :Also in line 15 console.log is trying print a variable which is not defined instead of calling the function convertToPercentage .