Python 3 Deep Dive Part 4 Oop High Quality File

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: Properties allow you to evolve an attribute into logic without changing the API. Your users still write circle.radius = 5 , not circle.set_radius(5) .

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Python creates a (an instance of type ) at runtime. You can assign it to variables, pass it to functions, and even add attributes dynamically:

Without descriptors, you’d repeat property boilerplate everywhere.

:

: Properties allow you to evolve an attribute into logic without changing the API. Your users still write circle.radius = 5 , not circle.set_radius(5) .

:

Python creates a (an instance of type ) at runtime. You can assign it to variables, pass it to functions, and even add attributes dynamically:

Without descriptors, you’d repeat property boilerplate everywhere.

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