save project

diy2.py

@@ -9,7 +9,6 @@ while True:
     if username != name:
     if username != name:
         print("用户名错误!请重新输入")
         print("用户名错误!请重新输入")
         continue
         continue
-    if userpassword != password:
+    elif userpassword != password:
         print("密码错误!请重新输入")
         print("密码错误!请重新输入")
-        continue
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")