input: Write a function to list the contents of a directory and print each item. The function should take a directory path as input and return None.
  assert list_directory_contents(".")==None
  assert list_directory_contents("path/to/directory")==None
  assert list_directory_contents("non_existent_path")==None
output: import os
  
  def list_directory_contents(directory_path):
      try:
          for item in os.listdir(directory_path):
              print(item)
      except FileNotFoundError:
          pass
      return None