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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 _fulfill(self, *args, **kwargs):
 """ Fulfill the condition. :param args: :param kwargs: :return: true if the condition was successfully fulfilled, bool """

        tx_hash = self.send_transaction('fulfill', args, **kwargs)
        receipt = self.get_tx_receipt(tx_hash)
        return receipt.status == 1