save project

diy2.py

@@ -5,7 +5,7 @@ while True:
     if i>0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
-        i-1
+        i-=1
         if name == username and password == userpassword:
             print("登录成功!")
             break
@@ -14,6 +14,5 @@ while True:
             continue
         if password != userpassword:
             print("密码错误")
-            i-1
-        
+    else:   
 print("欢迎来到贝尔编程!")
\ No newline at end of file