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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 _get_client_from_cache(self, client_id):
 """ For the given client_id return what is cached. """

        data = self._read_uaa_cache()

        # Only if we've cached any for this issuer
        if self.uri not in data:
            return

        for client in data[self.uri]:
            if client['id'] == client_id:
                return client