What this snippet does
Attempting to instantiate a class with unimplemented abstract methods raises a TypeError.
Expected output
TypeError: Can't instantiate abstract class Base with abstract method run
Why practise typing this
Typing object-oriented programming code builds muscle memory for the symbols and indentation Python uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.
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