adding comment to source

two.c

-#include <stdio.h>
-#include <time.h>
-#include <stdlib.h>
-
+#include <stdio.h>  
+#include <time.h>   
+#include <stdlib.h> 
+//function prototype 
 int square(int n);
 int input_num();
-
+//main function
 int main(){
     int hold;
     hold = input_num();
     int (*fnt)(int);
     fnt = &square;
-
-    printf("the square root: %d\n",fnt(hold));
+    printf("the square rooot: %d\n",fnt(hold));
 }
 
 
-int square(int n){
+int square(int n){ // the simple function to calculate square root
     int res = n * n;
     return res;
 }
-
+//function to take a input from a user 
 int input_num(){
     char num[20];
-    printf("Enter the number for square: ");
+    printf("Enter the numberrr for square: ");
     fgets(num, sizeof(num), stdin);
 
-    return atoi(num);
-
+    return atoi(num); // Convert string input to integer and return it
 }
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