tickets.py

"""
You have a bunch of plane tickets from a recent multi-stop trip you took.
You dropped the tickets and they all got shuffled up.
Write some Python that takes the list of shuffled tickets
Where each ticket is in the format of (source, destination)
and reconstruct your trip. Output each city you were in, in chronological order.
"""

ticket_list = [ ('lax', 'ewr'), ('ord', 'jfk'), ('mia', 'ord'),  ('cvg', 'sfo'), ('jfk', 'lax'), ('ewr', 'atl'), ('sfo', 'mia')]