What are mutable and immutable objects in Python3?

The Smart Snake src: https://goo.gl/images/ybWJo5

Python is an interpreted (interpreted into C) programming language that was written in 1991 by Guido van Rossum that emphasizes simplicity, readability, and flexibility.

Many programmers today use Python3 because of its original implementation in the procedural programming language C. Because of this, it has been coined as CPython.