class Node3:
value = 3
class Node2:
value = 2
next = Node3
class Node1:
value = 1
next = Node2
def linked_list_search(l, item):
node = l
while node:
if node.value == item:
return node
# ^ defined: 10, 11, 16
node = node.next
linked_list_search(Node1, 5).value
# ^ defined: 6