Skip to content

🐍 Interview Prep

Python

Mutability, comprehensions, generators, decorators, classes and the standard library: what Python-heavy teams test.

📘 Learn it from scratch

Visual, hands-on lessons for every pattern in this topic. Do the lesson, then come back and the questions click.

Functions & the Call StackHandling Errors with try / exceptPython's Batteries: The Standard Library

100 questions, most asked first

Ranked by how often each question comes up in real interviews. #1 is the most common.

Any difficulty Easy Medium Hard

All patterns Data types & mutability Pythonic code Decorators & context managers Iterators & generators Functions Concurrency Standard library Errors OOP & dunder methods

Unlock 9 more Python questions · all 1,200 questions for $39/year (about 11¢ a day)See full access #16__init__ vs __new__OOP & dunder methodsHard🔒#18Inheritance, super() and the MROOOP & dunder methodsHard🔒#25Late-binding closures in loopsFunctionsHard🔒#40__slots__OOP & dunder methodsHard🔒#66DescriptorsOOP & dunder methodsHard🔒#67MetaclassesOOP & dunder methodsHard🔒#68__eq__ and __hash__ togetherOOP & dunder methodsHard🔒#76return inside finallyErrorsHard🔒#95A decorator that takes argumentsDecorators & context managersHard🔒