input: def create_html_form(action_url: str) -> str:
      """Creates an HTML form with a submit button to send information to a Python program.
      The form will have a POST method and the action will direct to the provided URL.
      
      Example:
      >>> create_html_form("action.py")
      '<form action="action.py" method="post"><input type="submit" value="Submit"></form>'
      """
output:     return f'<form action="{action_url}" method="post"><input type="submit" value="Submit"></form>'