input: def print_output_pattern() -> None:
      """
      This function prints a specific output pattern where for each row i in range 1 to 5,
      the numbers from 1 to i are printed in increasing order.
      >>> print_output_pattern()
      1
      12
      123
      1234
      12345
      """
      for i in range(1,6):
          for j in range(1,i+1):
              print(j, end="")
          print()
output:     for i in range(1,6):
          for j in range(1,i+1):
              print(j, end="")
          print()