Circle Class
You are asked to create a
Circle class which should include the following:- An
__init__method that sets theradiusof the circle. If no radius is provided during instantiation, the default radius value should be1.
- A method
area()that calculates and returns the area of the circle.
- A method
circumference()that calculates and returns the circumference of the circle.
The methods should not print the results but return them.
You should use the
math module to calculate the area and the circumference.Input | Output |
circle = Circle(); print(circle.area()); print(circle.circumference()) | 3.141592653589793
6.283185307179586 |
circle = Circle(3); print(circle.area()); print(circle.circumference()) | 28.274333882308138
18.84955592153876 |
Constraints
Time limit: 2 seconds
Memory limit: 512 MB
Output limit: 1 MB