save project

diy2.py

@@ -11,10 +11,11 @@ while True:
             break
         if a !=username:
             print("用户名错误!请重新输入")
+            
             continue    
         if b !=userpassword:
             print("密码错误!请重新输入")
-            print("以"+")
+
     else: 
         print("已锁定")
         exit()