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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 atlas_node_init(my_hostname, my_portnum, atlasdb_path, zonefile_dir, working_dir):
 """ Start up the atlas node. Return a bundle of atlas state """

    atlas_state = {}
    atlas_state['peer_crawler'] = AtlasPeerCrawler(my_hostname, my_portnum, atlasdb_path, working_dir)
    atlas_state['health_checker'] = AtlasHealthChecker(my_hostname, my_portnum, atlasdb_path)
    atlas_state['zonefile_crawler'] = AtlasZonefileCrawler(my_hostname, my_portnum, atlasdb_path, zonefile_dir)
    # atlas_state['zonefile_pusher'] = AtlasZonefilePusher(my_hostname, my_portnum, atlasdb_path, zonefile_dir)

    return atlas_state