10 lines
262 B
Python
10 lines
262 B
Python
|
a=int(input("半径是："))
|
||
|
|
class circle():
|
||
|
|
def __init__(self,r):
|
||
|
|
self.r=r
|
||
|
|
|
||
|
|
def cir(self):
|
||
|
|
print('周长是：',3.14159265358979323846*self.r*2)
|
||
|
|
print('面积是:',3.14159265358979323846*self.r**2)
|
||
|
|
circle1=circle(a)
|
||
|
|
circle1.cir()
|