Created
April 3, 2020 16:19
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| class Solution: | |
| def addTwoNumbers(self, l1: ListNode, l2: ListNode) -> ListNode: | |
| carry = 0 | |
| l3 = ListNode | |
| head = l3 | |
| while True: | |
| if l1 == None and l2 == None and carry == 0: | |
| break | |
| sum = 0 | |
| sum = sum + carry | |
| if l1 != None: | |
| sum = sum + l1.val | |
| l1 = l1.next | |
| if l2 != None: | |
| sum = sum + l2.val | |
| l2 = l2.next | |
| if(sum > 9): | |
| carry = 1 | |
| sum = sum - 10 | |
| else: | |
| carry = 0 | |
| l3.next = ListNode(sum) | |
| l3 = l3.next | |
| return head.next |
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