leetcode/test.py at master · prachi0617/leetcode · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
class Solution:
    def addTwoNumbers(self, l1, l2):
        dummy = self.ListNode(0)
        current = dummy
        carry = 0

        while l1 or l2 or carry:
            val1 = l1.val if l1 else 0
            val2 = l2.val if l2 else 0

            total = val1 + val2 + carry
            carry = total // 10

            current.next = self.ListNode(total % 10)
            current = current.next

            if l1:
                l1 = l1.next
            if l2:
                l2 = l2.next

        return dummy.next

solution = Solution()


result = solution.addTwoNumbers([2], [2])


def print_linked_list(node):
    while node:
        print(node.val, end=" -> " if node.next else "")
        node = node.next
    print()


print("Result linked list:")
print_linked_list(result)