Source code: Lib/codecs.py This module defines base classes for standard Python codecs (encoders and decoders) and provides access to the internal Python codec registry, which manages the codec and...

Source code: Lib/mailbox.py This module defines two classes, Mailbox and Message, for accessing and manipulating on-disk mailboxes and the messages they contain. Mailbox offers a dictionary-like ma...

Source code: Lib/urllib/request.py The urllib.request module defines functions and classes which help in opening URLs (mostly HTTP) in a complex world — basic and digest authentication, redirection...

This module provides access to the mathematical functions defined by the C standard. These functions cannot be used with complex numbers; use the functions of the same name from the cmath module if...

Initializing C modules: Modules objects are usually created from extension modules (shared libraries which export an initialization function), or compiled-in modules (where the initialization funct...

Source code: Lib/zipfile/ The ZIP file format is a common archive and compression standard. This module provides tools to create, read, write, append, and list a ZIP file. Any advanced use of this ...

Source code: Lib/configparser.py This module provides the ConfigParser class which implements a basic configuration language which provides a structure similar to what’s found in Microsoft Windows ...

Source code: Lib/curses The curses module provides an interface to the curses library, the de-facto standard for portable advanced terminal handling. While curses is most widely used in the Unix en...

Source code: Lib/csv.py The so-called CSV (Comma Separated Values) format is the most common import and export format for spreadsheets and databases. CSV format was used for many years prior to att...

Compound statements contain (groups of) other statements; they affect or control the execution of those other statements in some way. In general, compound statements span multiple lines, although i...