Source code: Lib/contextlib.py This module provides utilities for common tasks involving the with statement. For more information see also Context Manager Types and With Statement Context Managers....| Python documentation
Go: Test Cleanup in Go 1.14| blog.gnoack.org
This Java tutorial describes exceptions, basic input/output, concurrency, regular expressions, and the platform environment| docs.oracle.com
Introduction §| ziglang.org
Objects, values and types: Objects are Python’s abstraction for data. All data in a Python program is represented by objects or by relations between objects. (In a sense, and in conformance to Von ...| Python documentation
Source code: Lib/unittest/__init__.py(If you are already familiar with the basic concepts of testing, you might want to skip to the list of assert methods.) The unittest unit testing framework was ...| Python documentation