def test_twelve():
new_list = LinkedList(Node(1, Node(3, Node(7, Node(2)))))
expected = "negative Number"
actual = new_list.from_end(-1)
assert actual == expected
def test_eleven():
new_list = LinkedList(Node(1, Node(3, Node(7, Node(2)))))
expected = 2
actual = new_list.from_end(0)
assert actual == expected
def test_sixteen():
new_list = LinkedList(Node(1, Node(3, Node(7, Node(2)))))
expected = 3
actual = new_list.from_end(2)
assert actual == expected
def test_fifteen():
new_list = LinkedList(Node(1))
expected = 1
actual = new_list.from_end(0)
assert actual == expected
def test_fourteen():
new_list = LinkedList(Node(1, Node(3, Node(7, Node(2)))))
expected = "Out of Range"
actual = new_list.from_end(5)
assert actual == expected
def test_thirteen():
new_list = LinkedList(Node(1, Node(3, Node(7, Node(2)))))
expected = "Same Length"
actual = new_list.from_end(4)
assert actual == expected
