Python itself includes all the options; PyPy, Cython, Psyco, Numpy and other C extestions, Jython and more. It's all Python. That is one one of the strengths of Python.
Would you exclude use of stdlib parts that are written in C? Would you say Javascript can't run serverside cause Node.js is not part of your imagined "core language"? Or it doesn't say much about the speed of C when you use a better/more optimized compiler or compiler flags?
Would you exclude use of stdlib parts that are written in C? Would you say Javascript can't run serverside cause Node.js is not part of your imagined "core language"? Or it doesn't say much about the speed of C when you use a better/more optimized compiler or compiler flags?