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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 cli(env, zone):
 """Print zone in BIND format."""


    manager = SoftLayer.DNSManager(env.client)
    zone_id = helpers.resolve_id(manager.resolve_ids, zone, name='zone')
    env.fout(manager.dump_zone(zone_id))