摘要:
#google网站import requests for i in range (20): print("第",i+1,"次访问") r=requests.get("https://www.google.cn/") r.encoding='utf-8' print("返回状态:",r.status_ 阅读全文
摘要:
def PI(n): pi=0 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)) return pi import time scale = 20 print("执行开始".center(sc 阅读全文