def put_group_policy(self, group_name, policy_name, policy_json):
        params = {'GroupName' : group_name,
                  'PolicyName' : policy_name,
                  'PolicyDocument' : policy_json}
        return self.get_response('PutGroupPolicy', params, verb='POST')
Adds or updates the specified policy document for the specified group.
dataset/ETHPy150Open darcyliu/storyboard/boto/iam/connection.py/IAMConnection.put_group_policy