def test_add_at_tail(ll):
ll.addAtTail(8)
assert ll.get(5) == 8
empty_ll = LinkedList()
empty_ll.addAtTail(1)
assert empty_ll.head.data == 1
def ll():
ll = LinkedList()
for i in range(0, 5):
ll.addAtTail(i)
return ll
