input: 
  def print_output_pattern() -> None:
      """ Print the following output pattern:
      1
      12
      123
      1234
      1235
      >>> print_output_pattern()
      1
      12
      123
      1234
      1235
      """
  
output:     for i in range(1, 6):
          print(''.join(str(x) for x in range(1, i + 1)))