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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(self, aud=None):
 """Retrieves the jti and aud of all tokens in the blacklist. Args: aud (str, optional):
 The JWT's aud claim. The client_id of the application for which it was issued. See: https://auth0.com/docs/api/management/v2#!/Blacklists/get_tokens """


        params = {
            'aud': aud
        }

        return self.client.get(self.url, params=params)