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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 cmd_version(unused_conf):
 """Print out version information about YABT and detected builders."""

    import pkg_resources
    print('This is {} version {}, imported from {}'
          .format(__oneliner__, __version__, __file__))
    if len(Plugin.builders) > 0:
        print('setuptools registered builders:')
    for entry_point in pkg_resources.iter_entry_points('yabt.builders'):
        print('  {0.module_name}.{0.name} (dist {0.dist})'.format(entry_point))