libpython3.7-stdlib - 3.7.3-2+deb10u3 main

Python is a high-level, interactive, object-oriented language. Its 3.7 version
includes an extensive class library with lots of goodies for
network programming, system administration, sounds and graphics.
.
This package contains Python 3.7's standard library. It is normally not
used on its own, but as a dependency of python3.7.