Python whitespace is a great shibboleth for screening out people who don't agree with the core philosophy of "one and only one obvious way to do something". You

Python whitespace is a great shibboleth for screening out people who don't agree with the core philosophy of "one and only one obvious way to do something". You could argue that philosophy is the language's defining feature. If there's any real barrier to Python adoption, it's the lack of a language-specific fad like Java applets or Rails to push it into a wider audience.