def get_key(self):
        event = self.get_event()
        if event and isinstance(event, KeyboardEvent):
            return event.key_code
        return None
>>> s = [b'foo']
dataset/ETHPy150Open peterbrittain/asciimatics/asciimatics/screen.py/Screen.get_key--crossover with--dataset/ETHPy150Open richardkiss/pycoin/pycoin/tx/script/microcode.py/do_OP_SHA256