Steven D'Aprano wrote: > For a text only solution, consider putting up a natural language question > such as: > > What is the third letter of 'national'? > What is four plus two? > How many eggs in a dozen? > Fill in the blank: Mary had a little ____ its fleece was white as snow. > Cat, Dog, Apple, Bird. One of those words is a fruit. Which one?
That wouldn't work as a true CAPTCHA (Completely Automated *Public* Turing test to tell Computers and Humans Apart), since making the list of questions and answers public would defeat its purpose. -- http://mail.python.org/mailman/listinfo/python-list
