libpython3.5 3.5.1-9ubuntu1 (s390x binary) in ubuntu xenial

 Python is a high-level, interactive, object-oriented language. Its 3.5 version
 includes an extensive class library with lots of goodies for
 network programming, system administration, sounds and graphics.
 .
 This package contains the shared runtime library, normally not needed
 for programs using the statically linked interpreter.