python typing: TYPE_CHECKING (intermediate) anthony explains #312

Web Reference: 96 What does the “at” (@) symbol do in Python? @ symbol is a syntactic sugar python provides to utilize decorator, to paraphrase the question, It's exactly about what does decorator do in Python? Put it simple decorator allow you to modify a given function's definition without touch its innermost (it's closure). In Python this is simply =. To translate this pseudocode into Python you would need to know the data structures being referenced, and a bit more of the algorithm implementation. Some notes about psuedocode: := is the assignment operator or = in Python = is the equality operator or == in Python There are certain styles, and your mileage may vary: Jun 16, 2012 · There's the != (not equal) operator that returns True when two values differ, though be careful with the types because "1" != 1. This will always return True and "1" == 1 will always return False, since the types differ. Python is dynamically, but strongly typed, and other statically typed languages would complain about comparing different types. There's also the else clause:

YouTube Excerpt: today I show you what the `TYPE_CHECKING` constant is in the typing module and why you would ever use it! - circular imports and typing: https://youtu.be/B5cjckVzY4g - `__future__` annotations: https://youtu.be/zH_F2xC0LOk - flake8-tying-imports: https://github.com/asottile/flake8-typing-imports playlist: https://www.youtube.com/playlist?list=PLWBKAf81pmOaP9naRiNAqug6EBnkPakvY ========== twitch: https://twitch.tv/anthonywritescode dicsord: https://discord.gg/xDKGPaW twitter: https://twitter.com/codewithanthony github: https://github.com/asottile stream github: https://github.com/anthonywritescode I won't ask for subscriptions / likes / comments in videos but it really helps the channel. If you have any suggestions or things you'd like to see please comment below!

today I show you what the `TYPE_CHECKING` constant is in the typing module and why you would ever use it! - circular imports and typing:...

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