mandatory debug part is solved.

Author: eminakturk

Sprint-2/2-mandatory-debug/0.js

@@ -1,14 +1,21 @@
 // Predict and explain first...
 
-// =============> write your prediction here
+// =============> My prediction is code wont return anything because the function does not have a return statement.
 
-function multiply(a, b) {
+/* function multiply(a, b) {
   console.log(a * b);
 }
 
-console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
-
-// =============> write your explanation here
+console.log(`The result of multiplying 10 and 32 is `${multiply(10, 32)}`);
+*/
+// =============> Once return statement is added, it will return the result of the multiplication.
 
 // Finally, correct the code to fix the problem
-//  =============> write your new code here
+//  =============> 
+
+  function multiply(a,b) 
+{
+return a*b;
+}
+
+console.log(`result of multiplying 2 times 2 = ${multiply(2, 2)}`);

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

@@ -1,13 +1,20 @@
 // Predict and explain first...
-//  =============> write your prediction here
+//  =============> Problem here is that sum does not return no value because return statement and a + b is in different lines.
 
-function sum(a, b) {
+/*function sum(a, b) {
   return;
   a + b;
 }
 
 console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
-
-// =============> write your explanation here
+*/
+// =============> Once we put a + b back in return statement it will work with no problem.
 // 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 45 and 12 is ${sum(45, 12)}`); // Output: "The sum of 10 and 32 is 42"

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

@@ -1,9 +1,9 @@
 // Predict and explain first...
 
 // Predict the output of the following code:
-// =============> Write your prediction here
+// =============> output would be undefined because getLastDigit uses global variable num.
 
-const num = 103;
+/* const num = 103;
 
 function getLastDigit() {
   return num.toString().slice(-1);
@@ -12,13 +12,20 @@ function getLastDigit() {
 console.log(`The last digit of 42 is ${getLastDigit(42)}`);
 console.log(`The last digit of 105 is ${getLastDigit(105)}`);
 console.log(`The last digit of 806 is ${getLastDigit(806)}`);
-
+*/
 // Now run the code and compare the output to your prediction
-// =============> write the output here
+// =============> Program is returning 3 for all console.log's.
 // Explain why the output is the way it is
-// =============> write your explanation here
+// =============> Num is defined to 103 which is global so anytime program calls getLastDigit it returns 3.
 // Finally, correct the code to fix the problem
-// =============> write your new code here
+// =============> 
+
+  function getLastDigit(num) 
+  {
+    return num.toString().slice(-1);
+  }
+
+  console.log(`The last digit of 41 is ${getLastDigit(41)}`);
 
 // This program should tell the user the last digit of each number.
 // Explain why getLastDigit is not working properly - correct the problem