[Python知识库]【初学Python，人总要多学点东西】—— 用户验证

user = {'赵云':{"name":"赵云", "password":"a123456"}}
count = 0
from random import randint
num = 0
verify_code = ""
while num < 4:
    verify_code += chr(randint(65,90))
    num += 1
print(verify_code)
name = input("请输入您的用户名:")
# b = name in user.keys()
if name in user.keys():
    print("请继续")
    while count < 3:
        password = input("请输入您的密码:")
        print(password)
        if user[name]["password"] == password:
            ypas = input("请输入验证码:").upper()
            if ypas == verify_code:
                print("登入成功")
                break
            else:
                print("验证码错误")
                break
        else:
            count += 1
            continue
else:
    print("用户未注册")