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这是代码,我不太明白,它是如何工作的.谁能告诉,这是一种预期的行为吗？

$ipython

In [1]: 1 in [1] == True
Out[1]: False

In [2]: (1 in [1]) == True
Out[2]: True

In [3]: 1 in ([1] == True)
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)

/home/dmedvinsky/projects/condo/condo/<ipython console> in <module>()

TypeError: argument of type 'bool' is not iterable

In [4]: from sys import version_info

In [5]: version_info
Out[5]: (2, 6, 4, 'final', 0)