蒙特卡洛方法
from random import*
from time import*
DARTS=10001000
hits=0.0
start=perf_counter()
for i in range(1,DARTS+1):
x,y=random(),random()
dist=pow(x2+y2,0.5)
if dist<=1.0:
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))