typing — Support for type hints — Python 3.14.2 documentation
6 days ago · The Python typing system is standardised via PEPs, so this reference should broadly apply to most Python type checkers. (Some parts may still be specific to mypy.)
What’s New In Python 3.10 — Python 3.15.0a2 documentation
TypeGuard has been added to the typing module to annotate type guard functions and improve information provided to static type checkers during type narrowing. For more information, please see …
Built-in Types — Python 3.14.2 documentation
3 days ago · Python defines pow(0, 0) and 0 ** 0 to be 1, as is common for programming languages. The numeric literals accepted include the digits 0 to 9 or any Unicode equivalent (code points with …
What’s New In Python 3.13 — Python 3.15.0a2 documentation
2 days ago · PEP 742: Add TypeIs, a typing construct that can be used to instruct a type checker how to narrow a type. Add NoDefault, a sentinel object used to represent the defaults of some parameters in …
Annotations Best Practices — Python 3.14.2 documentation
1 day ago · If you need the annotations of an instance, you can use type() to access its class (for example, annotationlib.get_annotations(type(myinstance)) on Python 3.14+).
Dynamic type creation and names for built-in types - Python
3 days ago · Source code: Lib/types.py This module defines utility functions to assist in dynamic creation of new types. It also defines names for some object types that are used by the standard Python …
3. An Informal Introduction to Python — Python 3.14.2 documentation
2 days ago · Python knows a number of compound data types, used to group together other values. The most versatile is the list, which can be written as a list of comma-separated values (items) between …
IDLE — Python editor and shell — Python 3.14.2 documentation
1 day ago · For Python code, at the shell prompt or in an editor, these are keywords, builtin class and function names, names following class and def, strings, and comments.
mimetypes — Map filenames to MIME types — Python 3.14.2 …
4 days ago · The extension is not guaranteed to have been associated with any particular data stream, but would be mapped to the MIME type type by guess_type() and guess_file_type().
5. Data Structures — Python 3.14.2 documentation
1 day ago · Note that in Python, unlike C, assignment inside expressions must be done explicitly with the walrus operator :=. This avoids a common class of problems encountered in C programs: typing = in …