The reason for this seeming lunacy, is that list indexes always start at 0. This is true for all programming. So, if you want to insert something at the start of the list, you do so like this: ...

Defining a list in Python is easy—just use the bracket syntax to indicate items in a list, like this: list_of_ints = [1, 2, 3] Items in a list do not have to all be the same type; they can be ...