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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 delete_conversations(self, ids):
 """ Delete selected conversations :params ids: list of ids """


        str_ids = self._return_comma_list(ids)
        self.request('ConvAction', {'action': {'op': 'delete',
                                               'id': str_ids
                                               }})