Source code: Lib/asyncio/events.py, Lib/asyncio/base_events.py Preface The event loop is the core of every asyncio application. Event loops run asynchronous tasks and callbacks, perform network IO ...

The xml.parsers.expat module is a Python interface to the Expat non-validating XML parser. The module provides a single extension type, xmlparser, that represents the current state of an XML parser...

Source code: Lib/functools.py The functools module is for higher-order functions: functions that act on or return other functions. In general, any callable object can be treated as a function for t...

Source code: Lib/pathlib.py This module offers classes representing filesystem paths with semantics appropriate for different operating systems. Path classes are divided between pure paths, which p...

Source code: Lib/statistics.py This module provides functions for calculating mathematical statistics of numeric ( Real-valued) data. The module is not intended to be a competitor to third-party li...

Source code: Lib/turtle.py Introduction: Turtle graphics is an implementation of the popular geometric drawing tools introduced in Logo, developed by Wally Feurzeig, Seymour Papert and Cynthia Solo...

Python code in one module gains access to the code in another module by the process of importing it. The import statement is the most common way of invoking the import machinery, but it is not the ...

Source code: Lib/calendar.py This module allows you to output calendars like the Unix cal program, and provides additional useful functions related to the calendar. By default, these calendars have...

Source code: Lib/ipaddress.py ipaddress provides the capabilities to create, manipulate and operate on IPv4 and IPv6 addresses and networks. The functions and classes in this module make it straigh...

Source code: Lib/difflib.py This module provides classes and functions for comparing sequences. It can be used for example, for comparing files, and can produce information about file differences i...