#paste this code into your solution file/project area

cities1 = ["london-eu","bangkok-as", "madrid-eu"]

countCities(cities1)

cities2 = ["paris-eu","milan-eu", "madrid-eu", "budapest-eu"]

countCities(cities2)

cities3 = ["houston-am","milan-eu", "bogota-sa", "nairobi-af"]

countCities(cities3)