input: 
  def find_divisors(num: int) -> str:
      """Takes a number from the user and prints all the divisors of the number.
      >>> find_divisors(10)
      'The divisors of 10 are: 1, 2, 5, 10'
      >>> find_divisors(13)
      'The divisors of 13 are: 1, 13'
      """
      divisors = []
      for i in range(1, num + 1):
          if num % i == 0:
              divisors.append(i)
      return 'The divisors of {} are: {}'.format(num, ', '.join(map(str, divisors)))
  
output:     divisors = []
      for i in range(1, num + 1):
          if num % i == 0:
              divisors.append(i)
      return 'The divisors of {} are: {}'.format(num, ', '.join(map(str, divisors)))