map['battery_park'] = {}
map['battery_park']['brooklyn_bridge'] = None
map['east_river'] = {}
map['east_river']['brooklyn_bridge'] = None
map['brooklyn_bridge'] = {}
map['brooklyn_bridge']['one_world_trade_center'] = None
# the finish node does not have any neighbors
map['one_world_trade_center'] = {}
map_engine = Maps(map)
# determining time between places
map_engine.determine_time()
print('\nNotifications:\n')
for n in map_engine.notifications:
print(n)
# printing out choice table
print('\nChoice Table\n')
for k in map_engine.choice_table.keys():
print('{k} : {v}'.format(k=k, v=map_engine.choice_table[k]))
# Getting user input (origin and destination)
print('\nUse the numbers above to indicate your origin and destination\n')
origin = input('Please type the number for your origin (0 - 7)\n')
destination = input('Please type the number for destination (0 - 7)\n')
