input: from typing import List
  
  def list_directory_contents(directory: str) -> List[str]:
      """List the contents of a given directory.
      >>> list_directory_contents('.')
      ['file1.txt', 'folder1', 'file2.doc']
      """
      import os
      return os.listdir(directory)
output:     import os
      return os.listdir(directory)