# define a basic city class class City: name = "" country = "" elevation = 0 population = 0 # create a new instance of the City class and # define each attribute city1 = City() city1.name = "Cusco" city1.country = "Peru" city1.elevation = 3399 city1.population = 358052 # create a new instance of the City class and # define each attribute city2 = City() city2.name = "Sofia" city2.country = "Bulgaria" city2.elevation = 2290 city2.population = 1241675 # create a new instance of the City class and # define each attribute city3 = City() city3.name = "Seoul" city3.country = "South Korea" city3.elevation = 38 city3.population = 9733509 def max_elevation_city(min_population): # Initialize the variable that will hold # the information of the city with # the highest elevation highest_elevation=0 return_city = "" # Evaluate the 1st instance to meet the requirements: # does city #1 have at least min_population and # is its elevation the highest evaluated so far? if (city1.population>min_population): if(highest_elevation<city1.elevation): highest_elevation = city1.elevation return_city = ("{}, {}".format(city1.name,city1.country) # Evaluate the 2nd instance to meet the requirements: # does city #2 have at least min_population and # is its elevation the highest evaluated so far? if(city2.population>min_population): if(highest_elevation<city2.elevation): highest_elevation = city2.elevation return_city = ("{}, {}".format(city2.name,city2.country) # Evaluate the 3rd instance to meet the requirements: # does city #3 have at least min_population and # is its elevation the highest evaluated so far? if (city3.population>min_population): if(highest_elevation<city3.elevation): highest_elevation = city3.elevation return_city = ("{}, {}".format(city3.name,city3.country) #Format the return string if return_city!="": return return_city else: return "" print(max_elevation_city(100000)) # Should print "Cusco, Peru" print(max_elevation_city(1000000)) # Should print "Sofia, Bulgaria" print(max_elevation_city(10000000)) # Should print ""

## Day 2

### Problem 1
Write a function named `cities` that takes a dictionary of cities as argument.
The function should return a string with a list of the cities that have more than 10,000 inhabitants.