fix sum function to return correct value

Author: khalidbih

Sprint-2/2-mandatory-debug/1.js

@@ -1,13 +1,21 @@
 // Predict and explain first...
 //  =============> write your prediction here
+// The function sum does not return anything, 
+// so the console will show "The sum of 10 and 32 is undefined".
 
-function sum(a, b) {
-  return;
-  a + b;
-}
+// function sum(a, b) {
+// return 
+// a + b;
+// }
 
-console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
+// console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
 // =============> write your explanation here
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+
+function sum(a, b) {
+  return (a+b);
+}
+
+console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);