input: from typing import List
  
  def print_star_pattern() -> None:
      """ Print a specific star pattern with five layers in increasing order 
      followed by decreasing order.
      >>> print_star_pattern()
      *
      **
      ***
      ****
      *****
      ****
      ***
      **
      *
      """
output:     for i in range(1, 6):
          print('*' * i)
      for i in range(4, 0, -1):
          print('*' * i)