[leetcode-2] Add Two Numbers

LeetCode-2

Add Two Numbers : Add Two Numbers in Linked List

note : You may assume the two numbers do not contain any leading zero, except the number 0 itself.

myAnswer

        :::python

#Definition for singly-linked list.class ListNode:    def init(self, val=0, next=None):        self.val = val        self.next = next    class Solution:        def addTwoNumbers(self, l1: Optional[ListNode], l2: Optional[ListNode]) -> Optional[ListNode]:            root = head = ListNode(0)            carry = 0            while l1 or l2 or carry:                sum = 0                if l1:                    sum += l1.val                    l1 = l1.next                if l2:                    sum += l2.val                    l2 = l2.next                carry, val = divmod(sum+carry, 10)                head.next = ListNode(val)                head = head.next            return root.next

Result : 72ms Memory: 14mb