save project

diy1.py

@@ -12,10 +12,10 @@ while True:
     if name==username and password==userpassword:
         print("密码正确")
         break
-    if name!=username:
-        print("用户名错误")
-        continue
-    if password!=userpassword:
+    elif name!=username:
+            print("用户名错误")
+            continue
+    else:
         print("密码错误")
         continue
 print("欢迎来到贝尔编程")