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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_authorize_url(self, **params):
 """Return formatted authorize URL."""

        params = dict(self.params, **params)
        params.update({'client_id': self.client_id, 'response_type': 'code'})
        return self.authorize_url + '?' + urlencode(params)