input: 
  from typing import Any
  
  
  def print_pattern() -> None:
      """ Prints a specific pattern of stars.
      The pattern starts with one star at the top and increases to five stars per line.
      It then decreases back to one star per line.
      >>> print_pattern()
      *
      **
      ***
      ****
      *****
      ****
      ***
      **
      *
      """
  
output:     for i in range(1, 6):
          print('*' * i)
      for i in range(4, 0, -1):
          print('*' * i)