What will be the output of the following code? python class Shape: def area(self): pass class Circle(Shape): def __init__(self, radius): self.radius = radius def area(self): return 3.14 * self.radius * self.radius class Square(Shape): def __init__(self, side): self.side = side def area(self): return self.side * self.side shapes = [Circle(2), Square(3)] for shape in shapes: print(shape.area())3.14\n33.14\n912.56\n912.56\n3
Question
What will be the output of the following code? python class Shape: def area(self): pass class Circle(Shape): def init(self, radius): self.radius = radius def area(self): return 3.14 * self.radius * self.radius class Square(Shape): def init(self, side): self.side = side def area(self): return self.side * self.side shapes = [Circle(2), Square(3)] for shape in shapes: print(shape.area())3.14\n33.14\n912.56\n912.56\n3
Solution 1
The output of the code will be:
12.56 9
Explanation:
The code defines a list of shapes, where each shape is an instance of either the Circle or Square class. Both of these classes inherit from the Shape class and override the area method.
The Circle's area method calculates the area of a circle, which is πr². For a circle with a radius of 2, the area is 3.14 * 2 * 2 = 12.56.
The Square's area method calculates the area of a square, which is side². For a square with a side length of 3, the area is 3 * 3 = 9.
The for loop iterates over each shape in the list and prints the result of the shape's area method. Therefore, the output of the code is 12.56 (the area of the circle) followed by 9 (the area of the square).
Solution 2
The output of the code will be:
12.56 9
Explanation:
The code defines a base class Shape with a method area that does nothing. Then it defines two subclasses Circle and Square that each have their own implementation of the area method.
The Circle class calculates the area of a circle using the formula πr², where r is the radius of the circle. The Square class calculates the area of a square using the formula s², where s is the side length of the square.
The code then creates a list of two shapes: a circle with radius 2 and a square with side length 3. It iterates over this list and prints the area of each shape.
The area of the circle is 3.14 * 2 * 2 = 12.56. The area of the square is 3 * 3 = 9.
Similar Questions
What is the output of the below code?Code:class Square: def __init__(self, side): self.side = side self.area = side*side s1 = Square(Square(Square(2).side).area)print(s1.area)
Given the following code:class Rectangle: def __init__(self, width, height): self.width = width self.height = height def calculate_area(self): return self.width * self.heightWrite the definition of a class Square that:#1 inherits from the class Rectangle,#2 adds a method called calculate_perimeter that calculates and returns the square's perimeter#3 overrides the __str__ method to print out the square's area and perimeter
What will be the output of the following Python code?class objects: def __init__(self): self.colour = None self._shape = "Circle" def display(self, s): self._shape = sobj=objects()print(obj._objects_shape)The program runs fine because name mangling has been properly implementedError because the member shape is a protected memberError because the proper syntax for name mangling hasn’t been implementedError because the member shape is a private member
Create an abstract class named shape that contains two integers and an empty method named printarea().Provide three classes named rectangle, triangle and circle such that each one of the classes extends the class Shape. Each of the inherited class from shape class should provide the implementation for the method printarea(). Get the input and calculate the area of rectangle, circle and triangle.In the Main class, create the objects for the three inherited classes and invoke the methods and display the area values of the different shapes.2(length of rectangle)3(breadth)5(triangle breadth)6(Triangle height)4(circle radius)
Predict the output of the following code snippetclass Area1: def __init__(self,feet): self.feet=feetclass Area2: def __init__(self,feet): self.feet=feeta1=Area1(12)a2=Area2(12)print("Total Area: ",a1+a2)
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.