save project

diy2.py

-username = "python"
-userpassword = "123456"
+print("欢迎你")
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-i=3
-while True:
-    if i>0:
-        a = input("请输入用户名:")
-        b = input("请输入密码:")
-        i-=1
-        if a == username and b == userpassword:
-            print("登录成功!")
-            break
-        if a!= username:
-            print("用户名不存在，请重新输入")
-        if b!= userpassword:
-            print("用密码输入有误，请重新输入")
-        if a!= username and b!= userpassword:
-            print("用户名和密码错误!请重新输入")
-        print("温馨提示，您还有str(i)次登陆机会")
-    else:
-        print("你的账户已锁定，请带身份证来我司解锁")
-        exit()
-print("欢迎来到贝尔编程!")
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