solving exercise 0.1

Author: AbdennourHachemi

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

@@ -1,12 +1,11 @@
 // Predict and explain first...
 
 // Why will an error occur when this program runs?
-// =============> write your prediction here
+// =============> write your prediction here D: Answer => variable decimalNumber is declared twice : one time in the parameter and another time inside the function
 
-// Try playing computer with the example to work out what is going on
 
 function convertToPercentage(decimalNumber) {
-  const decimalNumber = 0.5;
+  //const decimalNumber = 0.5;
   const percentage = `${decimalNumber * 100}%`;
 
   return percentage;
@@ -15,6 +14,15 @@ function convertToPercentage(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 .
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+
+ function convertToPercentage(decimalNumber) {
+
+   const percentage = `${decimalNumber * 100}%`;
+
+   return percentage;
+ }
+
+  console.log(convertToPercentage(0.5));