# Question 3: Class and Methods print ("### Question 3: Class and Methods") II IIII 1. Import the "math" library to use the pi constant. 2. Implement a "Circle" class with meaningful doc-strings for the class and methods: 2.1 Implement the constructor to create a new cirlce with only one property using the given radius. 2.2 Implement a class method to report the radius of the circle. 2.3 Implement a class method to report the perimeter of the circle. 2.4 Implement a class method to report the area of the circle. 2.5 Implement the "<" comparison operation comparing the radii of two circles. 2.6 Implement the "<=" comparison operation comparing the radii of two circles. Test: help(Circle) cirl = Circle (1.0) print("radius", cir1.getRadius ()) print ("perimeter", cir1.getPerimeter ()) print ("area", cir1.getArea (0) cir2 = Circle(2.0) print ("<", cir1 < cir2) print (">", cir1 > cir2) print("<=", cir1 <= cir2) print(">=", cir1 >= cir2) print ("!=", cir1 != cir2) print("==", cir1 == cir2)

# Question 3: Class and Methods print ("### Question 3: Class and Methods") II IIII 1. Import the "math" library to use the pi constant. 2. Implement a "Circle" class with meaningful doc-strings for the class and methods: 2.1 Implement the constructor to create a new cirlce with only one property using the given radius. 2.2 Implement a class method to report the radius of the circle. 2.3 Implement a class method to report the perimeter of the circle. 2.4 Implement a class method to report the area of the circle. 2.5 Implement the "<" comparison operation comparing the radii of two circles. 2.6 Implement the "<=" comparison operation comparing the radii of two circles. Test: help(Circle) cirl = Circle (1.0) print("radius", cir1.getRadius ()) print ("perimeter", cir1.getPerimeter ()) print ("area", cir1.getArea (0) cir2 = Circle(2.0) print ("<", cir1 < cir2) print (">", cir1 > cir2) print("<=", cir1 <= cir2) print(">=", cir1 >= cir2) print ("!=", cir1 != cir2) print("==", cir1 == cir2)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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# Question 3: Class and Methods
print ("### Question 3: Class and Methods")
II IIII
1. Import the "math" library to use the pi constant.
2. Implement a "Circle" class with meaningful doc-strings for the class and
methods:
2.1 Implement the constructor to create a new cirlce with only one property
using the given radius.
2.2 Implement a class method to report the radius of the circle.
2.3 Implement a class method to report the perimeter of the circle.
2.4 Implement a class method to report the area of the circle.
2.5 Implement the "<" comparison operation comparing the radii of two circles.
2.6 Implement the "<=" comparison operation comparing the radii of two circles.
Test:
help(Circle)
cirl = Circle (1.0)
print("radius", cir1.getRadius ())
print ("perimeter", cir1.getPerimeter ())
print ("area", cir1.getArea (0)
cir2
= Circle(2.0)
print ("<", cir1 < cir2)
print (">", cir1 > cir2)
print("<=", cir1 <= cir2)
print(">=", cir1 >= cir2)
print ("!=", cir1 != cir2)
print("==",
cir1
== cir2)

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