input: def print_factors(x: int) -> None:
      """
      This function takes a number and prints its factors
  
      >>> print_factors(6)
      The factors of 6 are:
      1
      2
      3
      6
      """
      
      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)