input: from typing import List
  
  
  def print_pattern() -> None:
      """ Print the following output pattern:
      1
      12
      123
      1234
      12345
      Example:
      >>> print_pattern()
      1
      12
      123
      1234
      12345
      """
output:     for i in range(1, 6):
          print(''.join(str(j) for j in range(1, i + 1)))