tldr/pages/windows/py.md

py

Python Launcher for Windows that runs with specified Python version. See also: python. More information: https://docs.python.org/using/windows.html#python-launcher-for-windows.

• Start a REPL (interactive shell), optionally with arguments supported by python (like -c, -m, etc.):

py {{python_arguments}}

• Execute a specific Python file:

py {{path/to/file.py}}

• Run specific Python version. If the version is missing, and PYLAUNCHER_ALLOW_INSTALL environment variable is set, auto-install via Microsoft Store or Winget:

py {{-2|-3.7|...}}

• List installed Python versions:

py --list