For the case of Python, source files are compiled before being executed (the .pyc files), and the comments are stripped in the process. So comments could slow down the compilation time if you have gazillions of them, but they won’t impact the execution time.
In Python, the ‘null’ object is the singleton None. To check if something is None, use the is identity operator: if foo is None: …
First off, interpreted/compiled is not a property of the language but a property of the implementation. For most languages, most if not all implementations fall in one category, so one might save a few words saying the language is interpreted/compiled too, but it’s still an important distinction, both because it aids understanding and because there … Read more
I’ve been given to understand that Python is an interpreted language… This popular meme is incorrect, or, rather, constructed upon a misunderstanding of (natural) language levels: a similar mistake would be to say “the Bible is a hardcover book”. Let me explain that simile… “The Bible” is “a book” in the sense of being a … Read more