Source code: Lib/tempfile.py This module creates temporary files and directories. It works on all supported platforms. TemporaryFile, NamedTemporaryFile, TemporaryDirectory, and SpooledTemporaryFil...

Source code: Lib/queue.py The queue module implements multi-producer, multi-consumer queues. It is especially useful in threaded programming when information must be exchanged safely between multip...

The following modules have specific security considerations: base64: base64 security considerations in RFC 4648, hashlib: all constructors take a “usedforsecurity” keyword-only argument disabling k...

Source code: Lib/tracemalloc.py The tracemalloc module is a debug tool to trace memory blocks allocated by Python. It provides the following information: Traceback where an object was allocated, St...

Source code: Lib/tkinter/colorchooser.py The tkinter.colorchooser module provides the Chooser class as an interface to the native color picker dialog. Chooser implements a modal color choosing dial...

Source code: Lib/email/contentmanager.py Content Manager Instances: Currently the email package provides only one concrete content manager, raw_data_manager, although more may be added in the futur...

Operating System Interface: The os module provides dozens of functions for interacting with the operating system: Be sure to use the import os style instead of from os import *. This will keep os.o...

Source code: Lib/webbrowser.py The webbrowser module provides a high-level interface to allow displaying web-based documents to users. Under most circumstances, simply calling the open() function f...

Hello World!: asyncio is a library to write concurrent code using the async/await syntax. asyncio is used as a foundation for multiple Python asynchronous frameworks that provide high-performance n...

Source code: Lib/lzma.py This module provides classes and convenience functions for compressing and decompressing data using the LZMA compression algorithm. Also included is a file interface suppor...