题解 | #球的表面积#
球的表面积
https://www.nowcoder.com/practice/7a5e2f1ed2594e38bad804323a775c93
from math import pi
class Face:
radius=[1,2,4,9,10,13]
def face(self):
for i in self.radius:
v=4*pi*(i**2)
print('{:.2f}'.format(v))
f=Face()
f.face()
