save project

diy1.py

@@ -5,9 +5,9 @@ while True:
     userpassword1=input('请输入密码')
     if username==username1 and userpassword==userpassword1:
         print('登录成功')
+        break
     if username!=username1:
         print('用户名不存在,请重新输入')
-        continue
     if userpassword!=userpassword1:
         print('密码错误，请重新输入')