class CountryCatalogue:

    def __init__(self, filename):

        cDictionary = dict()

        catalogue = []

        country = []

        file = open(filename)

        content = file.readlines()

        for line in content:

            data = line.split(",")

            catalogue.append(data[0])

            cDictionary[data[0]] = data[1]

 

 

    def filterCountriesByContinent(self):

    def printCountryCatalogue(self):

    def findCountry(self):

 

    def deleteCountry(self):

 

    def addCountry(self):

        cName = input("Enter the country name: ")

        population = float(input("Enter the population: "))

        area = float(input("Enter the area: "))

        continent = input("Enter the continent: ")

 

 

    def setPopulationOfASelectedCountry(self):

 

 

 

    def saveCountryCatalogue(self, filename):

 

 

 

    def findCountryWithLargestPop(self):

        pop = 9999999

        for c in country:

            if c.Population > pop:

                pop = c.Population

        return pop

 

    def findCountryWithSmallestArea(self):

        area = 0

        for c in country:

            if c.Area < area:

                area = c.Area

        return area

 

 

    def findMostPopulousContinent(self):

 

 

 

    def filterCountriesByPopDensity(self):

        density = input("Enter the density: ")

        for c in country:

            if c.density == density:

                print(c)

class Country :

    def __init__(self, name, pop, area, continent) :

        self.Name=name

        self.Population =pop

        self.Area =area

        self.Continent =continent

        self.density =0

 

 

    def __repr__(self):

        return self.Name +" in "+self.Continent

 

 

    def setPopulation(self, pop):

        self.Population =pop

 

    def getName(self) :

        return self.Name

 

    def getArea(self) :

        return self.Area

 

 

    def getPopulation(self) :

        return self.Population

 

    def getContinent(self):

        return self.Continent

 

    def getPopDensity(self) :

        return self.density

 

 

    def save(self, outobject) :

        outobject =self.Name +"|"+self.Continent+"|"+self.Population+"|"+self.density