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Up until now, the only way that we knew how to create an error is with an assert statement. But these always create errors with the type AssertionError. In this video we show how to create errors…
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After the last video, try-except looks less like an if-else statement and more like an if-elif-else statement. As we see in this video, this has profound effects on how errors interact with the call…
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In this video we show how to use the error type to give you more control over a try-except statement. You can chose to recover from some errors, while completely ignoring other errors.
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In this video we revisit error messages in Python and show how to read the error type. This type is a class, which means that you can construct your own error objects.
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Whenever we have enforced preconditions, we have always used the type function. In this video we show why that is a problem, particularly when we want to use an object argument that is a subclass of…
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