dictionary - why dict objects are unhashable in python?

Question

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

I mean why cant we put key of dict as dict?

that means we can't have dictionary having key as another dictionary...

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1 Answer

深蓝 · Answer 1 · 2021-10-17T00:50:15+0000

Short answer: because they are mutable containers.

If a dict was hashed, its hash would change as you changed its contents.