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Learn Object-Oriented Programming in Python

Solution Review: Implement Rectangle Class Using Encapsulation

Understand how to implement a Rectangle class in Python using encapsulation. Learn to define private properties and create methods to calculate area and perimeter, ensuring data hiding and better class design.

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Solution

Python 3.5
class Rectangle:
    def __init__(self, length, width):
        self.__length = length
        self.__width = width
    def area(self):
        return (self.__length * self.__width)
    def perimeter(self):
        return (2 * (self.__length + self.__width))
obj1 = Rectangle(4, 5)
print("Area is", obj1.area())
print("Perimeter is", obj1.perimeter())
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