Mod 4 Homework - Enhanced DoublyLinkedList

Hello, can you please show me how to implement remove_node(item) using the #TODO starter code (def __contains__(item))?

4) Implement remove_node(item) Add a method that removes the node containing an item from your DLL. - O(1) - Make sure to "stitch together" the adjacent nodes - Edge cases you should be able to handle: - Raise a RuntimeError if someone tries to remove an item not in the DLL, - Removing the head - Removing the tail liclude unittests for the above behavior (except the running time). Submitting At a minimum, sutmit the following files: - Doublylinicedlint.py - TertDoublyLinkedi.fat.py File Edit Selection View Go Run Terminal Help Restricted Mode is intended for safe code browsing. Trust this window to enable all features. Manage TestDoublyLinkedList.py 1 DoublylinkedList.py X def duplicates1(L): Untitle C: > Users > iamla > AppData > Local > Temp > Temp1_hw4_starter (1).zip > Doublylinked oo \# was that tne tast noder 87 if len(self)=0: self._head = None 88 else: self._tail._next = None 9091 return item 92 TODO: Add a docstring and implement 94 |ef contains_(self, item): * TODO: Add a docstring and implement def neighbors(self, item): raise Notimplementederror \# TODO: Add a docstring and implement def renove_node(self, item): rase MotImplementedError