Source code: Lib/importlib/__init__.py Introduction: The purpose of the importlib package is three-fold. One is to provide the implementation of the import statement (and thus, by extension, the__i...| Python documentation
Source code: Lib/collections/__init__.py This module implements specialized container datatypes providing alternatives to Python’s general purpose built-in containers, dict, list, set, and tuple.,,...| Python documentation
Source code: Lib/doctest.py The doctest module searches for pieces of text that look like interactive Python sessions, and then executes those sessions to verify that they work exactly as shown. Th...| Python documentation