Python · Alternative Interpreters & Compilers

A Jupyter (formerly IPython) Notebook document is "a sequence of cells." What are the four basic cell types, and which one holds runnable Python?

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More in Alternative Interpreters & Compilers

When someone says "Python," which implementation do they almost always mean, and what does that implementation actually produce from your source?

A coworker says "Python is compiled — that's what the .pyc files in __pycache__ are: machine code." What's wrong?

What makes PyPy faster than CPython on the right workload, and what is the mechanism called?

You swap CPython for PyPy on a script that mostly reads files from disk and waits on the network. Will it speed up much? Why or why not?

What's the main risk of dropping PyPy into an existing project, beyond "it's a different interpreter"?

Is Cython just "a faster Python interpreter" you run your .py files with? If not, what is it?

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