Fix function implementations to return correct values in multiply, sum, and getLastDigit functions

Author: Darkidd77

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

@@ -1,14 +1,24 @@
 // Predict and explain first...
 
 // =============> write your prediction here
+// I predict that there will be error because the function will not return anything 
+// and when we try to log the result of the function call to the console, it will return undefined.
 
-function multiply(a, b) {
-  console.log(a * b);
-}
+// function multiply(a, b) {
+//   console.log(a * b);
+// }
 
-console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
+// console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
 // =============> write your explanation here
+// The function multiply logs in the result of a * b to the console but does not return anything, 
+// so when we try to log the result of the function call to the console, it will return undefined.
 
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+
+function multiply(a, b) {
+  return a * b;
+}
+
+console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);

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

@@ -1,13 +1,25 @@
 // Predict and explain first...
 //  =============> write your prediction here
+// I predict there will be a syntax error but not sure what the error is yet. 
+// I think it has something to do with return as it return nothing , so the function was'nt well defined.
 
-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
+// The function sum is not returning the result of a + b, instead it is returning undefined 
+// because the return statement is on a separate line and does not include the expression a + b.
+
 // 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)}`);
+

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

@@ -2,23 +2,42 @@
 
 // Predict the output of the following code:
 // =============> Write your prediction here
+// II predict that the output will be "The last digit of 42 is 3", "The last digit of 105 is 3", 
+// and "The last digit of 806 is 3" because the function getLastDigit is using the variable num
+//  which is assigned the value of 103 using const in global scope, 
+// so it will always return the last digit of 103 which is 3.
 
-const num = 103;
+// const num = 103;
 
-function getLastDigit() {
-  return num.toString().slice(-1);
-}
+// function getLastDigit() {
+//   return num.toString().slice(-1);
+// }
 
-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)}`);
+// 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
+// The last digit of 42 is 3
+// The last digit of 105 is 3
+// The last digit of 806 is 3
+// it's similar to what I predicted.
+
 // Explain why the output is the way it is
 // =============> write your explanation here
+// The output is the way it is because the function getLastDigit is using the variable num which is assigned 
+// the value of 103 using const in global scope, and the function definition didn't have an argument to receive the number.
+
 // 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
+
+function getLastDigit() {
+  return num.toString().slice(-1);
+}
+
+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)}`);
+