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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def add_static_path(prefix: str, path: str, no_watch: bool = False) -> None: """Add directory to serve static files. First argument ``prefix`` is a URL prefix for the ``path``. ``path`` must be a directory. If ``no_watch`` is True, any change of the files in the path do not trigger restart if ``--autoreload`` is enabled. """

    app = get_app()
    app.add_static_path(prefix, path)
    if not no_watch:
        watch_dir(path)