save project

diy2.py

@@ -4,17 +4,16 @@ i=3
 while True:
     name=input("请输入用户名")
     password=input("请输入密码")
+    i=i-1
     if i>0:
         if name == username and password == userpassword:
             print("登陆成功")
             break
         if name != username:
             print("用户名错误!请重新输入")         
-            i=i-1
             continue
         if password != userpassword:
             print("密码错误!请重新输入")
-            i=i-1
     else:
         print("账户已永久锁定")
         exit()