input: 
  def print_star_pattern():
      """Prints a star pattern where the pattern starts from one star and increases to five stars,
      and then decreases back to one star. If the pattern is required to create a new line.
      Example:
      >>> print_star_pattern()
      *
      **
      ***
      ****
      *****
      ****
      ***
      **
      *
      None
      """
  
output:     for i in range(1, 6):
          print('*' * i)
      for i in range(4, 0, -1):
          print('*' * i)