为什么我的第二出错了
>>> b=' '
>>> print('hello,', b or 'world')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: 'tuple' object is not callable
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>>> b=' '
>>> print('hello,', b or 'world')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: 'tuple' object is not callable
2021-04-04
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