auto save

diy2.py

+
 username = "python"
 userpassword = "123456"
 i=3
@@ -11,11 +12,13 @@ while True:
         if name != username:
             print("用户名错误，请重新输入")
             i-=1
+            print("还有"+str(i)+"次机会")
             continue
         else:
             if password != userpassword:
                 i-=1
                 print("密码错误!请重新输入")
+                print("还有"+str(i)+"次机会")
     else:
         print("次数已用完，请来我司解锁")
         exit()