23 lines
551 B
Python
23 lines
551 B
Python
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# tickets = [["MUC", "LHR"], ["JFK", "MUC"], ["SFO", "SJC"], ["LHR", "SFO"]]
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tickets = [["JFK","SFO"],["JFK","ATL"],["SFO","ATL"],["ATL","JFK"],["ATL","SFO"]]
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def findTicketIndForStartCity(startCity):
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for ticketInd, cities in enumerate(tickets):
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if cities[0]==startCity:
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return ticketInd
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tickets.sort(key=lambda x: x[1])
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output = ['JFK']
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for i in range(0, len(tickets)):
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currTicketIndex = findTicketIndForStartCity( output[-1] )
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nextCity = tickets[currTicketIndex][1]
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output.append(nextCity)
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print(output)
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