Can we use tuple as a key in dictionary always? Or there is any condition

Answer 1

You can't use tuples of mutable objects (for example tuples of dictionaries) as keys, because those are mutable.

Answer 2

Sousou https://www.programiz.com/JUMP_LINK__&&__python__&&__JUMP_LINK-programming/methods/built-in/hash

Answer 3

If "hash(obj)" doesn't raise any errors you can use it as a key

Answer 4

Keys have to be immutable, otherwise they would make the whole concept of a dictionary senseless. So yes, tuples of any kind can work as keys no problem.

Answer 5

you can, please post a code for your try

Answer 6

Mert Yazıcı "hash(obj)" is a functions ?

Answer 7

s u can only when it is immutable