class Country:  # creates the Country class
    def __init__(self, name, pop, area, continent):  # constructor that initializes name, pop, area, continent
        self._pop = pop
        self._area = area
        self._continent = continent
        self._name = name

    def __repr__(self):  # constructor that returns class methods as a string
        return "%s (pop: %s, size: %s) in %s" % (str(self._name), str(self._pop), str(self._area), str(self._continent))

    # population of a country
    def setPopulation(self, pop):   # set the population
        self._pop = self._pop + pop

    def getPopulation(self):    # call the population
        return self._pop

    # area of a country
    def setArea(self, area):    # set the area
        self._area = self._area + area

    def getArea(self):  # call the area
        return self._area

    # continent of a country
    def setContinent(self, continent):  # set the continent
        self._continent = self._continent + continent

    def getContinent(self): # call the continent
        return self._continent

    # name of a country
    def setName(self, name):    # set the name
        self._name = self._name + name

    def getName(self):  # call the name
        return self._name