9 lines
174 B
Python
9 lines
174 B
Python
class Shape:
|
|
def area(self):
|
|
return 0
|
|
|
|
class Circle(area):
|
|
def __init__(self, r):
|
|
self.r = r
|
|
def area(self):
|
|
return 3.14 * self.r * self.r |