For official tutorials, please visit : http://docs.opencv.org/trunk/doc/py_tutorials/py_tutorials.html https://opencv-python-tutroals.readthedocs.org/en/latest/index ...

Python, I love you. But I'd like you to change. It's not you, it's me. Really. See, you don't have pattern matching. But, that's not the root of it. Macros are the root of it. You don't have macros ...

Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.