Python Coding Challenges & Practice Problems
Master Python in 2025 with free coding challenges, step-by-step solutions, and practice problems. Perfect for beginners to advanced learners. Start now!
Prime Number Checker
Determine whether a given number is a prime.
GCD Calculator using Euclid’s Algorithm
Compute the greatest common divisor (GCD) of two integers using the Euclidean algorithm.
Fibonacci Sequence Generator
Generate the Fibonacci sequence up to a given number of terms.
Sum of All Numbers in a List
Calculate the total sum of all numeric elements in a list.
Remove Duplicates from a List
Remove all duplicate values from a list, keeping only the first occurrence of each value.
Count Character Occurrences
Count the number of times a specific character appears in a string.
Merge Two Dictionaries
Combine the contents of two dictionaries into one.
Check Anagrams
Determine whether two given strings are anagrams.
Find Square Root Without math.sqrt
Calculate the square root of a number without using built-in math functions.
Capitalize First Letter of Each Word
Transform a string so that each word starts with an uppercase letter.
Flatten a Nested List
Flatten a list that contains elements and one-level nested lists into a single list.