Search Coverage: Fixing Nameerror Typeerror In Python Type Annotations Intermediate Anthony Explains 104

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today I talk about a common pitfall in typing and how to today I talk about how it's easy to get confused when installing packages and how to today I talk about the `cat` command -- and that it's almost always unnecessary! playlist: ... today I talk about gradual typing, what that means for mypy, and the settings I tend to use when I'm adding today I show you what the `TYPE_CHECKING` constant is in the typing module and why you would ever use it! - circular imports ... I goofed in my explanation of `assert_never` during the 3.11 video -- this corrects my mistakes! - what's new in

today we talk about mypy's "implicit optional" and why I think it's better to not use it! - what is Optional: ... today I talk about the difference between object and Any when typing things! - intro to typing / mypy: ... today we go over narrowings and `TypeGuard` -- which enables you to write your own user-defined narrowings! playlist: ... today I talk about what a backslash at the beginning of a triple-quoted string does, and two reasons why I do it! playlist: ... today I talk about the decorator for typing and how it can be used to signal typed-dispatch to a today I talk about the __future__ module (not to be confused with the future module!) and how it affects execution in

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fixing NameError / TypeError in python type annotations (intermediate) anthony explains #104

2,711 views • Live Report

today I talk about a common pitfall in typing and how to

why python -m pip? (beginner - intermediate) anthony explains #103

2,354 views • Live Report

today I talk about how it's easy to get confused when installing packages and how to

don't use cat! (intermediate) anthony explains #508

7,054 views • Live Report

today I talk about the `cat` command -- and that it's almost always unnecessary! playlist: ...

typing: exception types (intermediate) anthony explains #082

731 views • Live Report

today I talk about how to properly

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today we're back talking about typing in mypy -- I show you two ways to debug today I go over the easily confusable NotImplemented and NotImplementedError -- as well as covering functools.total_ordering ... today I talk about why I pick -˃ int for return values for main functions instead of -˃ None (which works)! - testable command lines: ... today I talk about the dir() builtin and how it's helpful for debugging when tab complete isn't working! - debugger crash course: ...

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Last Updated: June 12, 2026

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