save project

diy2.py

@@ -7,10 +7,9 @@ while True:
     if(name==username and password==userpassword):
         print("登陆成功!")
         break
-    if name!=username:
+    elif name!=username:
         print("账号错误!")
-    elif password!=userpassword:
-        pass 
+    else :
         print("密码错误!")
     # 如果用户输入的账号、密码正确，提示登陆成功
 print("欢迎你！")
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