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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 path(self):
 """Requested path as unicode. This works a bit like the regular path info in the WSGI environment but will always include a leading slash, even if the URL root is accessed. """

        raw_path = wsgi_decoding_dance(
            self.environ.get("PATH_INFO") or "", self.charset, self.encoding_errors
        )
        return "/" + raw_path.lstrip("/")