input: Write a function to print out the larger of two given parameters.
  def printMax(parameter_1, parameter_2):
      if parameter_1 > parameter_2:
          print(parameter_1)
      else:
          print(parameter_2)
  assert printMax(7, 9)==None
output: def printMax(parameter_1, parameter_2):
      if parameter_1 > parameter_2:
          print(parameter_1)
      else:
          print(parameter_2)