Add explanations for pad function calls in formatTimeDisplay

Author: Monsur0001

Sprint-2/4-mandatory-interpret/time-format.js

@@ -22,17 +22,29 @@ function formatTimeDisplay(seconds) {
 
 // a) When formatTimeDisplay is called how many times will pad be called?
 // =============> write your answer here
+//The function pad will be called 3 times when formatTimeDisplay is called, 
+//once for totalHours, once for remainingMinutes, and once for remainingSeconds.
 
 // Call formatTimeDisplay with an input of 61, now answer the following:
 
 // b) What is the value assigned to num when pad is called for the first time?
 // =============> write your answer here
+//The value assigned to num when pad is called for the first time is 0, 
+//because 61 seconds is equal to 1 minute and 1 second, which means totalHours is 0.
 
 // c) What is the return value of pad is called for the first time?
 // =============> write your answer here
+//The return value of pad when it is called for the first time is "00",
+//because the value of num is 0, and the function pad adds a leading zero to 
+// make it a two-digit string.
 
 // d) What is the value assigned to num when pad is called for the last time in this program?  Explain your answer
 // =============> write your answer here
+//The value assigned to num when pad is called for the last time in this program is 1,
+//because 61 seconds is equal to 1 minute and 1 second, which means remainingSeconds is 1.
 
 // e) What is the return value of pad when it is called for the last time in this program?  Explain your answer
 // =============> write your answer here
+//The return value of pad when it is called for the last time in this program is "01",
+//because the value of num is 1, and the function pad adds a leading zero to 
+// make it a two-digit string.