토글을 구현하는 방법

1단계

onoff = True

if onoff == True:
    onoff = False
else:
    onoff = True

2단계

onoff = False if onoff else True

3단계

onoff ^= True

와우...미쳣다 실화냐;;

onoff = True
onoff ^= True
print(onoff)

onoff = False
onoff ^= True
print(onoff)


False
True