It’s because you’re using sets — the reason why the author mentioned things are out of order. >> A set is a collection which is unordered, unchangeable*, and u

It’s because you’re using sets — the reason why the author mentioned things are out of order. >> A set is a collection which is unordered, unchangeable*, and unindexed. [0] [0] https://www.w3schools.com/python/python_sets.asp https://www.w3schools.com/python/python_sets.asp