5 Mailman system information is available through the ``system`` object, which
6 implements the ``ISystem`` interface.
9 >>> from mailman.interfaces.system import ISystem
10 >>> from mailman.core.system import system
11 >>> from zope.interface.verify import verifyObject
13 >>> verifyObject(ISystem, system)
16 The Mailman version is also available via the ``system`` object.
18 >>> print(system.mailman_version)
21 The Python version running underneath is also available via the ``system``
25 # The entire python_version string is variable, so this is the best test
28 >>> system.python_version == sys.version