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Practice Arena

Python Coding
Challenges

Write real Python in the browser. Instant feedback. From beginner to expert.

56 challenges 25 easy 23 medium 8 hard

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All Python Basics Strings & Text Lists & Arrays Dicts & Sets Functions & Closures OOP & Classes Data Structures & Algorithms Advanced Python

Advanced Python medium

2D Vector dataclass

Implement a Vector2D dataclass with +, -, scalar *, dot product, and magnitude.

dataclass OOP math

Advanced Python hard

Data pipeline

Implement a Pipeline class supporting pipe chaining with the | operator.

functional OOP pipeline

Advanced Python hard

Validated descriptor

Implement a TypedField descriptor that raises TypeError if the value is not of the expected type.

descriptors OOP metaclass

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