python中字典赋值方法
x = {} y = x x['key'] = 'value' print y x = {} print y x = {} y = x y['key'] = 'value' print y print x.clear() print y
python中字典赋值方法
x = {} y = x x['key'] = 'value' print y x = {} print y x = {} y = x y['key'] = 'value' print y print x.clear() print y