libpython3-all-dev - 3.9.2-3 main

The package currently depends on libpython3.9-dev, in the
future, dependencies on jython (Python for a JVM) and ironpython (Python
for Mono) may be added.
.
This package is a dependency package used as a build dependency for other
packages to avoid hardcoded dependencies on specific Python 3 development
packages.