code fixed and explained why the previous code was not working.

Author: AdnaanA

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

@@ -2,7 +2,10 @@
 
 // Predict the output of the following code:
 // =============> Write your prediction here
+/* 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 always returns the last digit of the constant number 'num', which is set to 103.*/
 
+/*
 const num = 103;
 
 function getLastDigit() {
@@ -12,13 +15,34 @@ 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
+// The last digit of 42 is 3
+// The last digit of 105 is 3
+// The last digit of 806 is 3 
+
 // 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
+/* The output is the way it is because the function getLastDigit does not use its parameter. Instead, it always
+returns the last digit of the constant variable 'num', which is set to 103. Therefore, regardless of the input 
+value provided when calling getLastDigit, it will always return '3', the last digit of 103. To fix this, we need 
+to modify the function to accept a parameter and return the last digit of that parameter.*/
 
 // This program should tell the user the last digit of each number.
 // Explain why getLastDigit is not working properly - correct the problem
+// the return function is not using the parameter passed to it and is instead using a constant value
+
+
+// Finally, correct the code to fix the problem
+// =============> write your new code here
+
+function getLastDigit(number) {
+  return number.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)}`);
+