language-implementation

Why does Python have a limit on the number of static blocks that can be nested? Question: The number of statically nested blocks in Python is limited to 20. That is, nesting 19 for loops will be fine (although excessively time consuming; O(n^19) is insane), but nesting 20 will fail with: SyntaxError: too many statically …

PyPy — How can it possibly beat CPython? Question: From the Google Open Source Blog: PyPy is a reimplementation of Python in Python, using advanced techniques to try to attain better performance than CPython. Many years of hard work have finally paid off. Our speed results often beat CPython, ranging from being slightly slower, to …