doubly-linked-list

How is the LRU deleted in this LRUCache implementation? Question: I’m going over the optimal Leetcode solution for LRU Cache LeetCode Medium question. The original problem can be found here: https://leetcode.com/problems/lru-cache/description/ I’m confused by a specific portion of the solution code. class Node: def __init__(self, key, val): self.key, self.val = key, val self.prev = self.next …

how to count the nodes in a linked list? Question: this is my code but im not being able to count the nodes in the list, ive also given the test cases below those test cases should get executed class LinkedList: def __init__(self, a): self.head = None tail=None list=[] for x in a: if x …