save project

diy2.py

 i=3
-username = "ikunwlz"
-userpassword = "xhzsz666"
+username = "python"
+userpassword = "123456"
 while True:
     if i>0:
         name = input("请输入用户名:")
@@ -11,6 +11,7 @@ while True:
             break
         if name != username:
             print("用户名不存在，请重新输入！")
+            print("您还有"+str(i)+"次输入机会")
             continue
         if password != userpassword:
             print("密码输入有误，请重新输入！")