Source code: Lib/unittest/mock.py unittest.mock is a library for testing in Python. It allows you to replace parts of your system under test with mock objects and make assertions about how they hav...| Python documentation
Source code: Lib/typing.py This module provides runtime support for type hints. Consider the function below: The function surface_area_of_cube takes an argument expected to be an instance of float,...| Python documentation
Source code: Lib/dataclasses.py This module provides a decorator and functions for automatically adding generated special methods such as__init__() and__repr__() to user-defined classes. It was ori...| Python documentation
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