While loop🆚 do while loop with example

Example 1: while loop

 // Print numbers from 1 to 5

#include <stdio.h>

int main() {

  int i = 1;

    

  while (i <= 5) {

    printf("%d\n", i);

    ++i;

  }

  return 0;

}

Example 2: do...while loop

// Program to add numbers until the user enters zero

#include <stdio.h>

int main() {

  double number, sum = 0;

  // the body of the loop is executed at least once

  do {

    printf("Enter a number: ");

    scanf("%lf", &number);

    sum += number;

  }

  while(number != 0.0);

  printf("Sum = %.2lf",sum);

  return 0;

}