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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

Lists & Arrays medium

Merge intervals

Merge all overlapping intervals and return a sorted result.

Dicts & Sets medium

Group anagrams

Group words that are anagrams of each other.

dict sorting strings

Data Structures & Algorithms medium

Quicksort

Implement quicksort and return a sorted list.

sorting recursion divide-and-conquer

Showing 3 challenges · medium