Frozen object creation ... of Python some work can be done to improve performance. More information can be seen in this Show HN post and some appreciated feedback of the users of that great community.

they can be any Python object. In the list below, assume Three is a function: list_of_objects = ["One", TWO, Three, {"Four":4}, None] Note that having mixed objects in a list can have implications ...

you need to create objects. For example, when you put Serial in a program, you use an object someone else wrote. Python — and things like Micropython — have the same kind of division.