Keep in mind that when you insert a new item in your list this way, you will change the position of all subsequent entries too. If you want to store data in a non-linear fashion, then you can do ...

Python has several ways you can add or remove items from a list: .append() inserts an item at the end of the list. For example, list_of_ints.append(4) would turn list_of_ints into the list [1,2,3,4] .

Values in dictionaries can be any Python object at all. ... which is optimized for actions like adding to the end of the list. ... Before Python 3.6, items in a dictionary wouldn’t be returned ...