class Circle:
“””
Circle Class
“””
def __init__(self, r=0):
“””
Constructor that initializes radius
“””
self.radius = r;
def area(self):
“””
Function that calculates area of circle
“””
return 3.14 * self.radius * self.radius;
class Square:
“””
Square Class
“””
def __init__(self, s=0):
“””
Constructor that initializes side
“””
self.side = s;
def area(self):
“””
Function that calculates area of square
“””
return self.side * self.side;
class Rectangle:
“””
Rectangle Class
“””
def __init__(self, w=0, h=0):
“””
Constructor that initializes width and height
“””
self.width = w;
self.height = h;
def area(self):
“””
Function that calculates area of rectangle
“””
return self.width * self.height;
def main():
“””
Main Function
“””
# Reading circle data
radius = float(input(“n Enter radius of a circle: “));
# Creating Circle Class object
circleObj = Circle(radius);
# Getting area of circle
circleArea = circleObj.area();
# Reading square side
side = float(input(“nn Enter square side: “));
# Creating Square Class object
squareObj = Square(side);
# Getting area of square
squareArea = squareObj.area();
# Reading rectangle data
width = float(input(“nn Enter Rectangle width: “));
height = float(input(“nn Enter Rectangle height: “));
# Creating Rectangle Class object
rectangleObj = Rectangle(width, height);
# Getting area of rectangle
rectangleArea = rectangleObj.area();
# Storing all Areas in to a list
areas = [circleArea, squareArea, rectangleArea];
# Printing areas
print(“nnnn Circle Area: %.2f ” %(circleArea));
print(“nn Rectangle Area: %.2f ” %(rectangleArea));
print(“nn Square Area: %.2f ” %(squareArea));
# Printing results
print(“nn Sum Of areas: %.2f ” %(sum(areas)));
print(“nn Average Of areas: %.2f ” %(sum(areas)/float(len(areas))));
print(“nn Larger area: %.2f ” %(max(areas)));
print(“nn Smaller area: %.2f nn” %(min(areas)));
# Calling main function
main();
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Sample Output:
