mandatory-debug tasks are done

Author: shaghayeghfar

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

@@ -1,14 +1,26 @@
 // Predict and explain first...
 
-// =============> write your prediction here
+// =============> Prediction:
+// The program will print "The result of multiplying 10 and 32 is undefined"
+// because the function multiply does not return a value, it only prints to the console.
 
 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
+// =============> Explanation:
+// 1. The function multiply(a, b) uses console.log inside the function, but it does not return anything.
+// 2. When we use ${multiply(10, 32)} inside the string, it tries to use the return value of multiply.
+// 3. Since there is no return, JavaScript treats it as undefined.
 
-// Finally, correct the code to fix the problem
-//  =============> write your new code here
+// =============> Corrected Code:
+// We need the function to return the result instead of printing it.
+
+function multiply(a, b) {
+  return a * b;
+}
+
+console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
+// Output: "The result of multiplying 10 and 32 is 320"

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

@@ -1,5 +1,8 @@
 // Predict and explain first...
-//  =============> write your prediction here
+
+// =============> Prediction:
+// The program will print "The sum of 10 and 32 is undefined"
+// because the function returns nothing due to the 'return;' line.
 
 function sum(a, b) {
   return;
@@ -8,6 +11,17 @@ function sum(a, b) {
 
 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
+// =============> Explanation:
+// 1. In JavaScript, as soon as the function hits 'return;' it stops and returns undefined.
+// 2. The line 'a + b;' is never reached because it's after the return statement.
+// 3. Therefore, the function does not actually return the sum.
+
+// =============> Corrected Code:
+// We need to return the sum directly.
+
+function sum(a, b) {
+  return a + b;
+}
+
+console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
+// Output: "The sum of 10 and 32 is 42"

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

@@ -1,7 +1,12 @@
 // Predict and explain first...
 
 // Predict the output of the following code:
-// =============> Write your prediction here
+// =============> Prediction:
+// The program will print:
+// The last digit of 42 is 3
+// The last digit of 105 is 3
+// The last digit of 806 is 3
+// because the function always uses the constant 'num' (103) and ignores the numbers we pass.
 
 const num = 103;
 
@@ -13,12 +18,4 @@ 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
-// Explain why the output is the way it is
-// =============> write your explanation here
-// Finally, correct the code to fix the problem
-// =============> write your new code here
-
-// This program should tell the user the last digit of each number.
-// Explain why getLastDigit is not working properly - correct the problem
+// ===========