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  1. flights = {"JFK" : ["LAX","DFW"], "LAX" : ["JFK"], "DFW" : ["JFK","ATL"], "ATL" : ["DFW"]}
  2. print(list(flights.keys()))
  3. print(list(flights.values()))
  4. print(flights["JFK"])
Success #stdin #stdout 0.12s 14080KB
stdin
Standard input is empty
stdout
['JFK', 'LAX', 'DFW', 'ATL']
[['LAX', 'DFW'], ['JFK'], ['JFK', 'ATL'], ['DFW']]
['LAX', 'DFW']