Kodewick

Write code in your browser. Watch it run, step by step.

Python, SQL, C, C++ and Go, nothing to install, with the same results as the real tools. Step through to see variables, memory and tables change. Plus small games that teach recursion and algorithms.

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Free · no sign-up · nothing to install

PythonSQLCC++Go

1SELECT name, score
2  FROM enroll
3 WHERE course = 'Python'
4 ORDER BY score DESC;

Step 4 of 6 · ORDER BY

Result

name	score
Mia	96
Leo	91
Ava	88
Sam	79

Learn by playing

Four short games, one idea each: recursion, loops, pathfinding, and the words of Python.

RecursionInfinite NestingWick calls Wick calls Wick: watch the clones stack up and come back, and recursion clicks.Play ›

Loops · if · functionsCode IslandWrite a few lines of Python and Wick mows, farms, and builds a bridge to the next island.Play ›

BFS · Dijkstra · A*PathfindingHelp Wick walk to the lamp and light it: from move("right") all the way to A*.Play ›

A word a dayPydleGuess today's Python word in six tries.Play ›

def fact(n):
    if n == 1:
        return 1
    return n * fact(n - 1)

Python · turtle drawingPython NotebookA Python editor that works on a phone too: run it, step through it, draw with turtle, share a code card.Open ›

Write code in your browser. Watch it run, step by step.

Learn by playing

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