The Python license

The third clause of the PSF license requires you to include a brief summary of changes in Python-derived software. Why? How exactly to comply with it? I think that this condition is not suitable for using Python in closed-source software. I suggest to remove it. -- https://mail.python.org/mailm

Functional programming

If Python is not a fnctional language, then which programming paradigmis dominant? -- https://mail.python.org/mailman/listinfo/python-list

Statically type-checked variant of Python

PHP has Hack, JavaScript has TypeScript, Python has what? -- https://mail.python.org/mailman/listinfo/python-list