input: 
  def print_factors(x: int) -> None:
      """
      This function takes a number and prints its factors
      
      :param x: The number whose factors to be printed 
      :return: None
      
      >>> print_factors(5)
      The factors of 5 are:
      1
      5
      
      >>> print_factors(12)
      The factors of 12 are:
      1
      2
      3
      4
      6
      12
      """
      
      print("The factors of", x, "are:")
      for i in range(1, x + 1):
          if x % i == 0:
              print(i)
  
output:     print("The factors of", x, "are:")
      for i in range(1, x + 1):
          if x % i == 0:
              print(i)