Mastering Python: Rebuilding Built-In Functions from Scratch - len()
In todays session we'll be looking at how to rebuild the len function from scratch, which implements the _len_ method behind the scenes. We also raise a custom error!
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Python 3 is an incredible language for beginners, and in each of these videos I am to bring a simple idea to you in short and easy to digest videos. I will be covering data types, control flow, looping, functions, comprehensions, variables, object orientation and much more.
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