题解 | #计算三角形的周长和面积#
计算三角形的周长和面积
http://www.nowcoder.com/practice/109a44d649a142d483314e8a57e2c710
import math
a, b, c = map(int, input().split(" "))
circumference = a+b+c
p = circumference / 2
area = math.sqrt(p*(p-a)*(p-b)*(p-c))
print("circumference=%.2f area=%.2f" % (circumference, area))