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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 remove_user(self, user, **kwargs):
 """Remove a user from this team."""

        if isinstance(user, Entity):
            user = user['id']

        assert isinstance(user, six.string_types)

        endpoint = '{0}/{1}/users/{2}'.format(
            self.endpoint,
            self['id'],
            user,
        )
        return self.request('DELETE', endpoint=endpoint, query_params=kwargs)