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Exercises

Customizing attribute assignment with __setattr__

Previously, we used descriptors to implement logic that was run when a specific attribute was retrieved, set, or deleted. But what if we'd like to make sure a certain block of code runs each time any attribute is set? In this exercise, you'll practice doing this with a Python magic method.

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  • Define a magic method in the BankAccount class that will be executed when attempting to set an attribute for an object of BankAccount; this method will take parameters self, name, and value.