python代码：
def pi(n):
sum = 0.0
for i in range(n):
sign = (-1) ** i
term = 1 / (i * 2 + 1)
sum += sign * term
return 4.0 * sum
n = 10000 # 设置迭代次数
print("π的近似值为：", pi(n))
print("4347")
运行结果:
标签：term,return,sum,sign,计算,print,pi From： https://www.cnblogs.com/LXxx007/p/17801790.html