gistfile1.rb

def parse data
  trips = get_trips data
end

def get_trips data
  trips = get_trips_data data
  trips.each do |trip|
    flight_sets = get_flight_sets trip
  end
end

def get_flight_sets trip
  flight_sets = get_flight_sets_data trip
  flight_sets.each do |flight_set|
    flight = get_flights_data flight_set
  end
end

def get_flights flight_set
  flights = get_flights_data flight_set
  flights.each do |flight|
    flight = get_flight_data
  end
end

private
def get_trips_data
end

def get_flight_sets_data
end

def get_flights_data
end

def get_flight_data
end