pi@raspberrypi:~ $ sudo pip3 install rpi_ws281x
error: externally-managed-environment× This environment is externally managed
╰─> To install Python packages system-wide, try aptinstallpython3-xyz, where xyz is the package you are trying toinstall.If you wish to install a non-Debian-packaged Python package,create a virtual environment using python3 -m venv path/to/venv.Then use path/to/venv/bin/python and path/to/venv/bin/pip. Makesure you have python3-full installed.For more information visit http://rptl.io/venvnote: If you believe this is a mistake, please contact your Python installation or OS distribution provider. You can override this, at the risk of breaking your Python installation or OS, by passing --break-system-packages.
hint: See PEP 668for the detailed specification.