class Human():
 
    # Private var
    __privateVar = "this is __private variable"
 
    # Constructor method
    def __init__(self):
        self.className = "Human class constructor"
        self.__privateVar = "this is redefined __private variable"
 
    # Public method
    def showName(self, name):
        self.name = name
        return self.__privateVar + " " + name
 
    # Private method
    def __privateMethod(self):
        return "Private method"
 
    # Public method that returns a private variable
    def showPrivate(self):
        return self.__privateMethod()
 
    def showProtecded(self):
        return self._protectedMethod()
 
 
class Male(Human):
    def showClassName(self):
        return "Male"
 
    def showPrivate(self):
        return self.__privateMethod()
 
    def showProtected(self):
        return self._protectedMethod()
 
 
class Female(Human):
    def showClassName(self):
        return "Female"
 
    def showPrivate(self):
        return self.__privateMethod()
 
 
human = Human()
print(human.className)
print(human.showName("Vasya"))
print(human.showPrivate())
 
male = Male()
print(male.className)
print(male.showClassName())
 
female = Female()
print(female.className)
print(female.showClassName())