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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_authorization_url(self):
 """Start the Authorization Code Grant process. This function starts the OAuth 2.0 authorization process and builds an authorization URL. You should redirect your user to this URL, where they can grant your application access to their Uber account. Returns (str) The fully constructed authorization request URL. Tell the user to visit this URL and approve your app. """

        return self._build_authorization_request_url(
            response_type=auth.CODE_RESPONSE_TYPE,
            redirect_url=self.redirect_url,
            state=self.state_token,
        )