python练习—用户登录界面输入验证码测试

用户登录界面输入验证码测试——Python

import randoms="qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM1234567890"code=""for i in range(4):ran=random.randint(0,len(s))code+=s[ran]print(code)a=input("请输入验证码：")if a.lower()==code.lower():print("登录成功")else:print("请输入正确的验证码")