October 2025
Daily Python Challenges
31 Days • 31 Challenges
31 days of Python challenges to sharpen your coding skills this October
New challenges unlock each day throughout October. Click on any available challenge to start coding!
Welcome to Advent of Python! Write a program that prints 'Hello, October!' to the console.
Calculate the sum of squares of all numbers from 1 to N, where N is provided as input.
Write a function that checks if a given string is a palindrome (reads the same forwards and backwards).
Generate the first N numbers in the Fibonacci sequence, where N is provided as input.
Find all prime numbers up to a given number N using the Sieve of Eratosthenes algorithm.
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