input: from typing import List
  
  def print_divisors(num: int) -> List[int]:
      """ Given a number from the user, this function prints all the divisors of the number.
      >>> print_divisors(28)
      'The divisors of 28 are: 1, 2, 4, 7, 14, 28'
      >>> print_divisors(12)
      'The divisors of 12 are: 1, 2, 3, 4, 6, 12'
      """
      divisors = []
      for i in range(1, num + 1):
          if num % i == 0:
              divisors.append(i)
      result = 'The divisors of ' + str(num) + ' are: '
      result += ', '.join(map(str, divisors))
      return result
output:     divisors = []
      for i in range(1, num + 1):
          if num % i == 0:
              divisors.append(i)
      result = 'The divisors of ' + str(num) + ' are: '
      result += ', '.join(map(str, divisors))
      return result