<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def output_package(dist):
 """Return string displaying package information."""

        if dist_is_editable(dist):
            return '%s (%s, %s)' % (
                dist.project_name,
                dist.version,
                dist.location,
            )
        return '%s (%s)' % (dist.project_name, dist.version)