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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 parse_url_path(self, url_path: str) -> str: """Converts a static URL path into a filesystem path. ``url_path`` is the path component of the URL with ``static_url_prefix`` removed. The return value should be filesystem path relative to ``static_path``. This is the inverse of `make_static_url`. """

        if os.path.sep != "/":
            url_path = url_path.replace("/", os.path.sep)
        return url_path