A module is a .py file. A package groups modules under a directory, so a dotted import can reach a module inside it. Python's standard-library xml.etree package contains ElementTree; ET.fromstring reads a short XML tag. No package download or pip command is needed. Change the tag passed to ET.fromstring from chair to lamp; Run to see the new label. This is a guided edit, not a requirement to build a package in the single-file browser workspace.
chair to lamp.Edit main.py, press Run to inspect the result, then Submit to check your change.
Keep the import; replace the tag inside the quoted string.