计算思维：蒙特卡罗方法求“圆周率”

#CalPiV2.py
from random import random
from time import perf_counter
DARTS = 1000*1000
hits=0.0
start = perf_counter()
for i in range(1,DARTS+1):
    x,y = random(),random()
    dist=pow(x**2+y**2,0.5)
    if dist <=1.0:
        hits=hits+1
pi=4*(hits/DARTS)
print("圆周率值是：{}".format(pi))
print("运行时间是：{:.5f}s".format(perf_counter()-start))