input: def create_html_form(action_page: str) -> str:
      """ Generates an HTML form with a submit button to send information to a specified Python program.
      >>> create_html_form('action.py')
      '<form action="action.py" method="post">\n    <input type="submit" value="Submit">\n</form>'
      """
output:     return f'<form action="{action_page}" method="post">\n    <input type="submit" value="Submit">\n</form>'