python - TypeError : Unhashable type - Stack Overflow
https://stackoverflow.com/questions/6754102/typeerror-unhashable-type
WEBExample: >>> {1, 2, [3, 4]} Traceback (most recent call last): File "<stdin>", line 1, in <module>. TypeError: unhashable type: 'list'. >>> {1, 2, (3, 4)} set([1, 2, (3, …
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