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 ...

Also read: How to use lists in Python. This is not an array, however. That’s because an array is a data structure that uses an “index” or “key” to store each value.