Python coding challenges: "comprehensions"

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Lists & Arrays easy

Image channel swap

Implement a function that swaps the red and blue channels of an RGB image.

lists comprehensions rgb

+10 pts 15m

Lists & Arrays easy

Cartesian Product Pairs

Create a function that returns the Cartesian product of two lists as a sorted list of lists.

lists tuples sorting

+8 pts 12m

Showing 2 challenges · easy · Lists & Arrays

Lists & Arrays — Python coding challenges

What you will find here

This page lists lists & arrays challenges — real Python problems you solve in the browser IDE with instant test feedback. Each challenge includes a clear brief, starter code, and automated checks.

Challenges vs tutorials and quizzes

Challenges test what you can build under constraints. For guided teaching, use our Python tutorials. For quick checks, try quizzes or copy snippets from code samples.

Python Coding Challenges

Image channel swap

Cartesian Product Pairs

Lists & Arrays — Python coding challenges

What you will find here

Challenges vs tutorials and quizzes

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