save project

diy2.py

+i=0
 username = "python"
 userpassword = "123456"
 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
-    else:
         if a !=username:
             print("账号输入错误")
             continue
-        elif b !=userpassword:
+        if b !=userpassword:
             print("密码输入错误")
+    else:
+        print("你的账号已锁定，请带身份证来我司解锁")
+        exit()
\ No newline at end of file