def number_to_linked_list(n):
head = None
for i in str(n):
tmp = Node(int(i))
tmp.next = head
head = tmp
return head
def reverse_list(head):
new_head = None
cur = head
while cur:
node = Node(cur.data)
node.next = new_head
new_head = node
cur = cur.next
return new_head
def test_a1(self):
head = Node(1)
head.next = Node(1)
head.next.next = Node(2)
head.next.next.next = Node(2)
head.next.next.next.next = Node(2)
head.next.next.next.next.next = Node(3)
result = remove_dupes_a(head)
self.assertEqual(result.toList(), [1, 2, 3])
def test_b3(self):
head = Node(1)
head.next = Node(1)
result = remove_dupes_b(head)
self.assertEqual(result.toList(), [1])