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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def ensure_container(self, name=None):
 """Make sure container exists. It's only needed on newer versions of LXC."""

        if get_lxc_version() < pkg_resources.parse_version('2.0.0'):
            # Nothing to do for old versions of LXC
            return

        if name is None:
            name = self.container_name

        args = [
            'lxc-create',
            '--name', name,
            '--template', 'none',
            '>', '/dev/null', '2>&1',
        ]
        os.system(' '.join(args))