plane = Aircraft("737", 5600, "LHR", "imperial")
madrid = Airport("Madrid", 3.7038, 40.4168, 0.84)
london = Airport("London", 0.1278, 51.5074, 1.17)
moscow = Airport("Moscow", 37.618423, 55.7558, 0.5)
shanghai = Airport("Shanghai", 121.4737, 31.2304, 0.4)
paris = Airport("Paris", 2.3522, 48.864716, 1)
hk = Airport("Hong Kong", 114.149139, 22.286394, 0.3)
athens = Airport("Athens", 23.727539, 37.983810, 1)
la = Airport("Los Angeles", -118.243683, 34.052235, 1.5)
hawaii = Airport("Honolulu", -157.917480, 21.289373, 1.5)
NYC = Airport("New York", -73.935242, 40.730610, 1.5)
dublin = Airport("Dublin", -6.266155, 53.350140, 1)
# dublin = Airport("Dublin", )
print("plane range is ", plane.getRange())
print(Route.calculate_distance(hk, la))
# stops = {
# "Madrid": [london, dublin, madrid],
# "Dublin": [london, madrid, dublin],
# "London": [madrid, dublin, london]
# }
'''
Step 1:
Produce a dictionary with possibilities.
'''
#
