save project

diy2.py

@@ -6,18 +6,19 @@ while True:
         
         name = input("请输入用户名:")
         password = input("请输入密码:")
+        i-=1
         if name == username and password == userpassword:
             break
             print("登录成功!")
-        if name != usernam:
+        if name != username:
             print("用户名错误。")
             continue
             i-=1
         if password != userpassword:
             print("账号错误。")
-            i-=1 
-    else：
+             
+    else:
         print("账号已被锁定 100年后再来")   
-        
+        exit()
     
 print("欢迎来到贝尔编程!")
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