save project

diy2.py

@@ -5,7 +5,7 @@ while True:
     password = input("请输入密码:")
     password = input("请输入密码:")
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
-    print("用户名和密码错误!请重新输入")
+        break
     if name!= username:
     if name!= username:
         print("用户名不存在，请重新输入！")
         print("用户名不存在，请重新输入！")
     elif password!=userpassword:
     elif password!=userpassword: