执行下面代码,将输出( )。
class Instrument:
def play(self):
print("乐器在演奏声音")
def __del__(self):
pass
class Piano(Instrument):
def play(self):
print("钢琴:叮咚叮咚")
class Guitar(Instrument):
def play(self):
print("吉他:咚咚当当")
if __name__ == "__main__":
instruments = [Piano(), Guitar()]
for inst in instruments:
Instrument.play(inst)
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