Deallocating a doubly linked list

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[@mahmoudhashem3912]

you are a really amazing mentor

[@synacktra]

Hey, I want to ask a question, the deallocation function for simply linked lists also works with doubly linked lists, so why do we need this?

[@CodeVault]

Yea, it should work for both types of lists

[@lizhang7993]

to avoid using an variable like tmp. i guess