When extracted, the embedded distribution is (almost) fully isolated from theuser's system, including environment variables, system registry settings, andinstalled packages. The standard library is included as pre-compiled andoptimized .pyc files in a ZIP, and python3.dll, python37.dll,python.exe and pythonw.exe are all provided. Tcl/tk (including alldependents, such as Idle), pip and the Python documentation are not included.