typing — Support for type hints — Python 3.13.1 documentation
4 天之前 · “Static Typing with Python” Type-checker-agnostic documentation written by the community detailing type system features, useful typing related tools and typing best practices. Specification for the Python Type System ¶
The Python Tutorial — Python 3.13.1 documentation
4 天之前 · Python’s elegant syntax and dynamic typing, together with its interpreted nature, make it an ideal language for scripting and rapid application development in many areas on most platforms. The Python interpreter and the extensive standard library are freely available in source or binary form for all major platforms from the Python web site ...
Built-in Types — Python 3.13.1 documentation
4 天之前 · This method corresponds to the tp_iternext slot of the type structure for Python objects in the Python/C API. Python defines several iterator objects to support iteration over general and specific sequence types, dictionaries, and other more specialized forms.
collections.abc — Abstract Base Classes for Containers - Python
4 天之前 · For use in typing, prefer a union, like bytes | bytearray, or collections.abc.Buffer. For use as an ABC, prefer Sequence or collections.abc.Buffer.
12. 虚拟环境和包 — Python 3.8.20 文档
2020年3月8日 · venv 通常会安装你可用的最新版本的 Python。如果您的系统上有多个版本的 Python，您可以通过运行 python3 或您想要的任何版本来选择特定的Python版本。 要创建虚拟环境，请确定要放置它的目录，并将 venv 模块作为脚本运行目录路径: