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Python in, WebAssembly out, compiled right in your browser.
PYmain.py
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Ln 1, Col 1
Python
Spaces: 4
UTF-8
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Waspy itself, built to WebAssembly. It downloads once and then compiles locally.
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Waspy compiles a typed subset of Python, and refuses what it can't compile rather than guessing. See what a program looks like, the Python subset, and the modules board.