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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):
 """List options for creating a placement group."""

    manager = PlacementManager(env.client)

    routers = manager.get_routers()
    env.fout(get_router_table(routers))

    rules = manager.get_all_rules()
    env.fout(get_rule_table(rules))