>>Not even Java, with all its commercial might, ever achieved that - it barely got a REPL last year, which Python has had for what, 20 years now? Java has had

>>Not even Java, with all its commercial might, ever achieved that - it barely got a REPL last year, which Python has had for what, 20 years now? Java has had Eclipse right from when users needed it for prime time. And yes, Python's repl is barely a REPL. You are better of writing code and running it. Its not exactly Lisp experience.