def test_delMidNode():
LL = LinkedList()
LL.insert(1)
Node2 = LL.insert(2)
Node3 = LL.insert(3)
LL.insert(4)
LL2 = LinkedList()
LL2.insert(1)
LL2.insert(2)
LL2.insert(4)
assert print(LL2) == print(LL.delMidNode(Node3))
LL2.remove(2)
assert print(LL2) == print(LL.delMidNode(Node2))
