/usr/ is in python3 3.6.5-3.
This file is owned by root:root, with mode 0o755.
..
/usr/bin/
/usr/lib/
/usr/lib/valgrind/
/usr/lib/valgrind/python3.supp
/usr/share/
/usr/share/doc/
/usr/share/doc/python3/
/usr/share/doc/python3/copyright
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/python3
/usr/share/man/
/usr/share/man/man1/
/usr/share/pixmaps/
/usr/share/python3/
/usr/share/python3/python.mk
/usr/share/python3/runtime.d/
/usr/share/python3/runtime.d/public_modules.rtinstall
/usr/share/python3/runtime.d/public_modules.rtremove
/usr/bin/pdb3
/usr/bin/pydoc3
/usr/bin/pygettext3
/usr/share/doc/python3/README.Debian
/usr/share/doc/python3/changelog.Debian.gz
/usr/share/man/man1/pdb3.1.gz
/usr/share/man/man1/pydoc3.1.gz
/usr/share/man/man1/pygettext3.1.gz
/usr/share/pixmaps/python3.xpm