def test_node_delete(self):
node_1 = ListNode(3)
node_2 = ListNode(4)
node_3 = ListNode(5)
node_1.next = node_2
node_2.next = node_3
node_2.prev = node_1
node_3.prev = node_2
node_2.delete()
self.assertEqual(node_1.next, node_3)
self.assertEqual(node_3.prev, node_1)
def test_node_delete(self):
node_1 = ListNode(3)
node_2 = ListNode(4)
node_3 = ListNode(5)
node_1.next = node_2
node_2.next = node_3
node_2.prev = node_1
node_3.prev = node_2
# VERY INTERESTING SYNTAX HERE vvv
node_2.delete()
self.assertEqual(node_1.next, node_3)
self.assertEqual(node_3.prev, node_1)
def test_node_delete(self):
print(" 4---in test_node_delete---")
node_1 = ListNode(3)
node_2 = ListNode(4)
node_3 = ListNode(5)
node_1.next = node_2
node_2.next = node_3
node_2.prev = node_1
node_3.prev = node_2
node_2.delete()
self.assertEqual(node_1.next, node_3)
self.assertEqual(node_3.prev, node_1)
print("----out of test_node_delete----")
print("-------------------------------")
