def print_tree(self):
        return core.print_tree(self.cursor)
Remove the keyed message; raise KeyError if it doesn't exist.
dataset/ETHPy150Open conceptsandtraining/libtree/libtree/transaction.py/Transaction.print_tree--crossover with--dataset/ETHPy150Open babble/babble/include/jython/Lib/mailbox.py/Mailbox.remove