save project

diy2.py

-i=3
+i=4
 username = "python"
 userpassword = "123456"
 while True:
@@ -11,6 +11,7 @@ while True:
             break
         if username != name:
             print("用户名错误")
+            print("垃圾提示:还有"+str(i)+"次机会")
             continue
         if userpassword != password:
             print("密码错误")