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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 is_following(self, login):
 """Checks if this user is following ``login``. :param str login: (required) :returns: bool """

        url = self.following_urlt.expand(other_user=login)
        return self._boolean(self._get(url), 204, 404)