doubly linked list: add dataclass and typing (#12647)

* Node is a dataclass

* fix mypy errors

* LinkedList is a dataclass

* fix mypy errors

* Update doubly_linked_list_two.py

* Update doubly_linked_list_two.py

* Update doubly_linked_list_two.py

* Update doubly_linked_list_two.py

* Update doubly_linked_list_two.py

* Update doubly_linked_list_two.py

* Update doubly_linked_list_two.py

* Update doubly_linked_list_two.py

* Update doubly_linked_list_two.py

* Update doubly_linked_list_two.py

* Update doubly_linked_list_two.py

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Co-authored-by: Maxim Smolskiy <mithridatus@mail.ru>

Isidro committed 1y ago

baab802965c37fa1740054a559cad8c119b2ee35

Parent: f10a5cb

Committed by GitHub <noreply@github.com> on 4/1/2025, 6:55:14 PM