Python
Leetcode: LinkedList in Python
create a dummy nodeMerge two linked lists.# Definition for singly-linked list. # class ListNode: # def __init__(self, x): # self.val = x # self.next = Noneclass
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Listlen(array) : length of array list.indexof(obj)enumerate(array) : adds counter at the beginning. for count, item in enumberate(['x','y','z']) # 0x 1y 2z`range(0,len
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print(f'best RF score: {grid.best_score_:.3f}') str.index(sub[,start[,end]]) str.strip() remove spaces at the beginning and the end strip(str-not-want)lower() print(str.
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134.Gas StationThere are N gas stations along a circular route, where the amount of gas at station i is gas[i]. You have a car with an unlimited gas tank and it costs cost[i] of gas to travel f
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