from random import random
from time import perf_counter
pi = 0
N = 100
start = perf_counter()
for k in range(N):
pi += 1 / pow(16, k) * (4 / (8 * k + 1) - 2 / (8 * k + 4) - 1 / (8 * k + 5) - 1 / (8 * k + 6))
print('公式法:')
print("圆周率值是{}".format(pi))
print("运行时间是: {:.5f}s".format(perf_counter()-start))
标签：counter,perf,python,random,print,pi From： https://www.cnblogs.com/FXY-/p/17801992.html