explain the while statement. 
 this is the code that inputs an integer to find the sum of your numbers! 
 int main () 
 {
 int nmagma summers 0; 
 printf ("Please enter an integer:"); 
 scanf ("% d", & n); 
 while (n) 
 {
 sum= sum+n%10; 
 n / = 10; 
} 
 printf ("%", sum); 
} 
