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Source code: Lib/asyncio/subprocess.py, Lib/asyncio/base_subprocess.py This section describes high-level async/await asyncio APIs to create and manage subprocesses. Here’s an example of how asyncio...

This module contains functions to dump Python tracebacks explicitly, on a fault, after a timeout, or on a user signal. Call faulthandler.enable() to install fault handlers for the SIGSEGV, SIGFPE, ...

Source code: Lib/email/errors.py The following exception classes are defined in the email.errors module: Here is the list of the defects that the FeedParser can find while parsing messages. Note th...

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 ...

A small number of constants live in the built-in namespace. They are: Constants added by the site module: The site module (which is imported automatically during startup, except if the-S command-li...

Source code: Lib/sched.py The sched module defines a class which implements a general purpose event scheduler: Example: Scheduler Objects: scheduler instances have the following methods and attribu...

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/email/parser.py Message object structures can be created in one of two ways: they can be created from whole cloth by creating an EmailMessage object, adding headers using the dicti...

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...