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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 getDissemination(self, pid, sdefPid, method, method_params=None):
        '''Get a service dissemination.

        .. NOTE:

            This method not available in REST API until Fedora 3.3

        :param pid: object pid
        :param sDefPid: service definition pid
        :param method: service method name
        :param method_params: method parameters
        :rtype: :class:`requests.models.Response`
        '''
        # /objects/{pid}/methods/{sdefPid}/{method} ? [method parameters]
        if method_params is None:
            method_params = {}
        uri = 'objects/%(pid)s/methods/%(sdefpid)s/%(method)s' % \
            {'pid': pid, 'sdefpid': sdefPid, 'method': method}
        return self.get(uri, params=method_params)