input: Write a function that prints "Hello World!" five times. The function should not take any input parameters and should not return any value.
  
  def print_hello_world_five_times():
      for x in range(5):
          print("Hello World!")
  
  assert print_hello_world_five_times() is None
output: def print_hello_world_five_times():
      for x in range(5):
          print("Hello World!")