from random import random标签：dist,perf,random,计算,DARTS,print,import From： https://www.cnblogs.com/lzk-95uu/p/17798988.html
from math import sqrt
from time import perf_counter
DARTS = 9999999
hits = 0.0
perf_counter()
for i in range(1, DARTS+1):
x, y = random(), random()
dist = sqrt(x**2 + y**2)
if dist <= 1.0:
hits += 1
pi = 4 * (hits/DARTS)
print("pi的值是{}".format(pi))
print("运行时间是{:.5f}".format(perf_counter()))