This bot moves around reddit replying to comments and posts, it a has a range of useful features to allow a large amount control over what responses it makes and to what kinds of commets (e.g, it can detect if a commet is a question). Just edit the responses to change what the bot says.
You must download both the subject_list and responses for this to work.
In order for this to work you must put in your own username and password in the script and also edit the subreddits variable list.