python用户登录d

你可以使用以下代码来模拟用户登录操作：

import random

users = {'zhang': 'abc', 'li': '123456', 'wan': 'abc123'}
u_id = input("请输入账号:")
pw = input("请输入密码:")
verification_code = random.randint(1001, 9999)
print('验证码:', verification_code)

for i in range(1, 5):
    if i == 4:
        print("你的登录次数超过三次，你的账号已经被锁定，拒绝登录！")
        break
    else:
        ver_code = int(input("请输入验证码:"))
        if u_id in users.keys() and pw == users.get(u_id):
            if ver_code == verification_code:
                print("你已经成功登录！")
                break
            else:
                if i == 4:
                    print("你的登录次数超过三次，你的账号已经被锁定，拒绝登录！")
                else:
                    print("验证码错误", end=',')
                    continue
        else:
            if 3 - i == 0:
                print("你的登录次数超过三次，你的账号已经被锁定，拒绝登录！")
                break
            else:
                print(f"账号或密码不匹配，你还有{3 - i}次输入机会!")
                u_id = input("请重新输入账号:")
                pw = input("请重新输入密码:")
                verification_code = random.randint(1001, 9999)
                print('验证码:', verification_code)

这段代码中，通过输入用户名、密码和验证码来模拟用户的登录过程。如果登录失败，会提示剩余的登录次数，并要求重新输入。如果登录次数超过三次，则会提示账号被锁定。如果登录成功，则会打印出登录成功的提示信息。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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