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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(self, doc_id: str) -> bool: """Delete a document with id."""


        try:
            self.instance.delete(self.index, self.doc_type, doc_id)
        except RequestError as ex:
            logging.error(ex)
            return False
        else:
            return True