save project

diy2.py

@@ -5,15 +5,17 @@ while True:
     if i>0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
-        i=i-1
+        i-=1
         if name == username and password == userpassword:
             print("登录成功!")
             break
         if name != username:
             print("用户名错误!请重新输入")
+            print("你还剩"+str(i)+"")
             continue
         if password != userpassword:
             print("密码错误！请重新输入")
+            print("你还剩"+str(i)+"")
     else:
         print("你的账号被锁定")
         exit()