力扣两数相加Python解法
直接上代码
class Solution(object):
def addTwoNumbers(self, l1, l2):
"""
:type l1: ListNode
:type l2: ListNode
:rtype: ListNode
"""
lret = ListNode(0)
carryNum = 0
iterNode = lret
iterL1 = l1
iterL2 = l2
while True:
number = (iterL1.val if iterL1 else 0) + (iterL2.val if iterL2 else 0) + carryNum
stopNum = number % 10
carryNum = number / 10
iterNode.val = stopNum
iterL1 = iterL1.next if iterL1 else None
iterL2 = iterL2.next if iterL2 else None
if not iterL1 and not iterL2 and carryNum == 0:
break
else:
nextNode = ListNode(0)
iterNode.next = nextNode
iterNode = nextNode
return lret
运行结果如图