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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 show_group(self, group_id):
 """ Get information about a group :type group_id: int :param group_id: Group ID Number :rtype: dict :return: a dictionary containing group information """

        res = self.post('loadGroups', {'groupId': group_id})
        if isinstance(res, list):
            return _fix_group(res[0])
        else:
            return _fix_group(res)