True, I am updating the multi line comment as doc strings and will include your comments, thank you! Also 'or' is not missing from my "anti-textbook", or is pr

True, I am updating the multi line comment as doc strings and will include your comments, thank you! Also 'or' is not missing from my "anti-textbook", or is present, I am not sure why you think so. I am yet to reciew thr tutorial once so hopefully mistakes like the in operator would be rectified soon! Thanks :-)