I get error message even if the code is right. I know, maybe the code needs to be written in a certain way but... Could anyone help me on this? Thanks.
Oops, try again. Make sure to use list slicing and a negative stride in your answer!
arbled = "!XeXgXaXsXsXeXmX XtXeXrXcXeXsX XeXhXtX XmXaX XI" print(filter(lambda x: x != "X", arbled[::-1]))