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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 insert_request_to_batch(self, request):
        '''
        Adds request to batch operation.

        request:
            the request to insert, update or delete entity
        '''
        self.validate_request_table(request)
        self.validate_request_partition_key(request)
        self.validate_request_row_key(request)
        self.batch_requests.append(request)