#!/usr/bin/python3

"""

Module 10-square

Contains parent class BaseGeometry

with public instance method area and integer_validation

Contains subclass Rectangle

with instantiation of private attributes width and height, validated by parent,

extends parent's area method and prints with __str__

Contains subclass Square

with instantiation of private attribute size, validated by superclass

"""

Rectangle = __import__('9-rectangle').Rectangle

class Square(Rectangle):

"""inherits from Rectangle, who inherits from BaseGeometry

methods:

__init__(self, size)

"""

def __init__(self, size):

"""initializes size

Args:

size (int): private

"""

self.integer_validator("size", size)

super().__init__(size, size)

self.__size = size