Practice Arena

Python Coding
Challenges

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925 challenges 556 easy 323 medium 46 hard

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All Python Basics Strings & Text Lists & Arrays Dicts & Sets Functions & Closures OOP & Classes Data Structures & Algorithms Advanced Python Iterators & Generators Decorators & Context Managers Error Handling & Exceptions Regular Expressions Math & Number Theory Bit Manipulation Dynamic Programming Trees & Binary Trees Graphs & Graph Algorithms Recursion & Backtracking Greedy Algorithms Binary Search Two Pointers & Sliding Window Stacks & Queues Heaps & Priority Queues Linked Lists Matrix & 2D Arrays Datetime & Time Calculations Data Formats & Parsing SQL & SQLite Numpy & Vectorized Computing Cryptography & Hashing

Python Basics easy

Max of a variable-length list

Implement a function that returns the maximum value from a list of numbers without using max().

conditionals loops comparison

Python Basics easy

Max of three numbers

Implement a function that returns the maximum of three numbers using comparisons.

conditionals comparison numbers

Python Basics easy

Range of values

Calculate the range (max minus min) of a list of numbers. Empty list returns 0.

min max numbers

Python Basics easy

Argmax along axis

Write a function that returns index positions of the maximum values along rows or columns of a 2D list.

lists max index

Python Basics easy

Min-Max Scaler: Fit and Transform

Implement a MinMaxScaler class that normalizes numeric data to a given range using fit and transform methods.

scaling normalization class

Python Basics medium

Jump Game Minimum Jumps

Given an array of non-negative integers where each element is the maximum jump length, compute the minimum jumps to reach the last index.

arrays greedy minimum-jumps

Showing 1–6 of 6 challenges · Python Basics

Python Basics — Python coding challenges

What you will find here

This page lists python basics 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.