Python Tip of the Day: Know the Difference Between == and is
Know the Difference Between == and is
Author: Jeremy Morgan
Published: November 16, 2024
AI changed software development. This is how the pros use it.
Written for working developers, Coding with AI goes beyond hype to show how AI fits into real production workflows. Learn how to integrate AI into Python projects, avoid hallucinations, refactor safely, generate tests and docs, and reclaim hours of development time—using techniques tested in real-world projects.
== checks if values are equal, while is checks if they are the exact same object.
# Comparing objects
a = [1, 2, 3]
b = a
c = [1, 2, 3]
print(a == c) # Output: True
print(a is c) # Output: False
print(a is b) # Output: True
The Python Tip of the Day is a daily series published in the month of November. The tips are designed to help you become a better Python programmer. I post tips like this and more every single day on X. Let’s connect!
AI changed software development. This is how the pros use it.
Written for working developers, Coding with AI goes beyond hype to show how AI fits into real production workflows. Learn how to integrate AI into Python projects, avoid hallucinations, refactor safely, generate tests and docs, and reclaim hours of development time—using techniques tested in real-world projects.