save project

diy2.py

 i=3
-username = python
+username = "python"
 userpassword = "123456"
 while True:
     if i>0:
@@ -12,6 +12,7 @@ while True:
             else:
                 i-=1
             print("密码错误!请重新输入")
+            print("温馨提示:"+str(i)+"输入机会")
         else:
             print("用户名错误!请重新输入")
     else: