Python interview question #40: Type annotations
Python is a dynamically typed language. That's nice and flexible, but means that we cannot know until runtime if we're using appropriate values for all of our variable assignments, function arguments, and return values.
Enter type annotations, a modern Python feature that allow us to indicate types. What are (and aren't) these annotations, how do we set them, and how do we check them? In this video, I show you the basics of type annotations, including how to use "mypy" to check your program's correctness. If you're asked about type annotations (aka "type hints") at a Python job interview, you'll know how to answer after watching this video.
To download the Jupyter notebooks I used in this course, go to https://AcePythonInterviews.com .
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