Removed the const variable and declared num in the function parameter

Author: simanongawuza

Sprint-3/2-mandatory-debug/2.js

@@ -2,7 +2,7 @@
 
 // Predict the output of the following code:
 // =============> Write your prediction here
-
+// num is declared as a const variable of 103, this will give the same outcome because num is suppose to a placeholder not a number.
 const num = 103;
 
 function getLastDigit() {
@@ -14,11 +14,20 @@ 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 output gives the same answer that is 3
+
 // Explain why the output is the way it is
-// =============> write your explanation here
+// The variable num was declared to a const number (103) instead of a placeholder therefore it cannot be changed
 // 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 42 is ${getLastDigit(42)}`);
+console.log(`The last digit of 105 is ${getLastDigit(105)}`);
+console.log(`The last digit of 806 is ${getLastDigit(806)}`);
 
 // This program should tell the user the last digit of each number.
 // Explain why getLastDigit is not working properly - correct the problem
+// The const variable must be removed from the code. The computer reads that first and gives the same output for all console.log statements.
+// A placeholder variable for num must be declared in the function parameter.