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467 challenges 330 easy 120 medium 17 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

Clamp a Number to a Range

Implement a clamp function that returns a value within a specified range.

numbers conditionals comparisons

Python Basics easy

Min of three numbers

Write a function that returns the minimum of three integers.

min comparison function

Python Basics easy

Sum numbers from 1 to n

Implement a function that computes the sum of all integers from 1 to n.

sum loop arithmetic

Python Basics easy

Sign of a Number

Write a function that returns the sign of a number as a string.

conditionals numbers comparison

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

Replace negatives with zero

Implement a function that replaces all negative numbers in a list with zero.

lists loops conditionals

Python Basics easy

Absolute Difference

Implement a function that returns the absolute difference between two numbers.

absolute value arithmetic function

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

Sign of a number

Write a function sign_of_number that returns -1 for negatives, 0 for zero, and 1 for positives.

conditionals numbers comparison

Python Basics easy

Average of a list

Write a function that computes the average of a list of numbers, handling empty lists by returning 0.

average list statistics

Python Basics easy

Count Positives

Count the positive numbers in a list of integers.

conditionals loops basic

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

Area of Rectangle

Write a function that returns the area of a rectangle given its width and height.

arithmetic function numbers

Python Basics easy

Digit Count

Count the number of digits in an integer using arithmetic, without string conversion.

numbers loops math

Python Basics easy

Palindromic Number Check

Write a function to check if a given integer is a palindrome.

numbers strings conditionals

Showing 15 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.