save project

diy2.py

@@ -10,6 +10,7 @@ while True:
             break
         if username!= "python" or userpassword != "123456":
             print("用户名或密码有误,请重新填写")
+            print("温馨提示:您还有"+str(i)+"次机会")
             i+1
         if i<0:
         else: