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Why can a list not be used as a key in a Python dictionary?

Lists are unhashable, while dictionary keys must be hashable.Ճիշտ պատասխան
Lists are too large to fit in a dictionary entry.
Only strings may be dictionary keys.
A list would create several duplicate keys automatically.

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Dictionary keys must be hashable, while a list can change its contents and is unhashable. Allowing arbitrary mutable keys would undermine stable lookup, and a dictionary cannot hold simultaneous duplicate equal keys.

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