题解 | 牛牛的圆
牛牛的圆
https://www.nowcoder.com/practice/75a202e826d048a39824ec694b5ce7e3
from math import pi
r = int(input())
def compute_circle_area(r):
return pi * (r ** 2)
print(f"{compute_circle_area(r):.2f}")
牛牛的圆
https://www.nowcoder.com/practice/75a202e826d048a39824ec694b5ce7e3
from math import pi
r = int(input())
def compute_circle_area(r):
return pi * (r ** 2)
print(f"{compute_circle_area(r):.2f}")
相关推荐