is operator

Python Programming Learning Circle

Apr 9, 2020 · Fundamentals

Understanding the Difference Between Python's `is` and `==` Operators and Integer Caching

The article explains how Python's `is` operator checks object identity while `==` checks value equality, illustrates the small‑integer caching mechanism that makes integers from -5 to 256 share the same object, and shows how assignment patterns affect identity results.