Linked List feedback

[lvreynoso]

Hi Ariane! I've graded your linked list submission and have some feedback for you:

• good job passing all of the unit tests
• a few issues with your time complexity analysis: your append() method actually runs in O(1) since you have a reference to the tail and are not looping through anything, and your delete() method has a best case of O(n) since you don't have any nested loops and if statements take constant time
• it would be good practice to use elif statements in your delete() method when you have exclusive conditions. Your return statements avoid any errors, but keep in mind that an if statement written right after another if statement will always run, which can cause problems if the condition you're testing changes