Python Online Compiler & Playground
Write and run Python 3 in your browser — no install, no account. Real CPython (Pyodide) with input(), NumPy, pandas and Matplotlib charts, and shareable links.
How to use
- 1Write Python code or load an example.
- 2Press Run (Ctrl+Enter). The first run downloads Python (~10 MB, then cached).
- 3Put lines for input() in the stdin box; charts from Matplotlib appear under the output.
Frequently asked questions
Is this real Python?
Yes — CPython 3 compiled to WebAssembly (Pyodide), running entirely in your browser.
Which packages can I import?
The full standard library plus popular scientific packages such as NumPy, pandas, Matplotlib, SciPy and scikit-learn, which load automatically on import.
Can I read from input()?
Yes. Each line in the stdin box answers one input() call.
What doesn't work?
Network sockets, threads/multiprocessing and packages with native code that hasn't been built for Pyodide.