input: def list_directory_contents():
      """
      Lists the contents of the current directory.
      >>> list_directory_contents()
      item1
      item2
      item3
      """
      import os
      directory_contents = os.listdir()
      for content in directory_contents:
          print(content)
output:     import os
      directory_contents = os.listdir()
      for content in directory_contents:
          print(content)