save project

diy2.py

@@ -11,6 +11,7 @@ while True:
             break
         if name!=username:
             print("用户名错误！请重新输入")
+            print("亲爱的用户，您还有"+str(i)+"次登录机会")
             continue
         if password!=userpassword:
             print("密码输入错误！请重新输入")