I am a C++ developer, slowly getting into web development. I like LISP a lot but don\'t like AllegroCL and web-frameworks available for LISP. I am looking for more freedom and a
Peter Norvig, a famous and great lisper, converted to Python. He wrote the article Python for Lisp Programmers, which you might find interesting with its detailed comparison of features.
Python looks like executable pseudo-code. It's easy to pick up, and often using your intuition will just work. Python allows you to easily put your ideas into code.
Now, for web development, Python might seem like a more scattered option than Ruby, with the plethora of Python web frameworks available. Still, in general, Python is a very nice and useful language to know. As Ruby and Python's niches overlap, I agree with Kiv that it is partly a matter of personal taste which one you pick.