r...@zedat.fu-berlin.de (Stefan Ram): > Steve D'Aprano <steve+pyt...@pearwood.info> writes: >>There's a word for frozen list: "tuple". > > Yes, but one should not forget that a tuple > can contain mutable entries (such as lists).
Not when used as keys:
>>> hash(([], []))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unhashable type: 'list'
Marko
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