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2.4ms execution

main.py Python 3.11

                # Fibonacci sequence
              
                def fibonacci(n):
              
                  a, b
                  = 0, 1
              
                  for _
                  in range(n):
              
                    yield a
              
                    a, b
                  = b, a
                  + b
              
                print(list(fibonacci(8)))

▸ Output

[0, 1, 1, 2, 3, 5, 8, 13]

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// supported

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// why us

Built for developers
who move fast.

Every detail of runcodedev is crafted to keep you in flow.

Lightning Execution

Your code runs in milliseconds on our optimized execution infrastructure — no waiting, no lag.

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Truly Free & Unlimited

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// quick start

From zero to running
in four steps.

Select Language

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Write Code

Use our smart editor with syntax highlighting, auto-complete, and bracket matching.

Run & Compile

Hit Run. See your output instantly in the console panel. Debug and iterate fast.

Share & Export

Copy a shareable link or download your file — share to GitHub, Discord, anywhere.

// testimonials

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worldwide.

runcodedev has been a game-changer for my coding interviews. I can quickly test algorithms in multiple languages without setting up local environments.

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As a teacher, runcodedev makes it easy to share code examples with my students. The interface is clean and students can run code without any setup.

Maria Johnson

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I love how fast runcodedev executes code. It's perfect for competitive programming practice when I'm away from my main development machine.

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