It's how I do everything now. I need the instant gratification so I pull up ptpython and just start writing line by line. The other way is to use something like

It's how I do everything now. I need the instant gratification so I pull up ptpython and just start writing line by line. The other way is to use something like fswatch and have the file I'm working on (a small snippet or one function of the larger code base) instantly run after I type :w. I do this with go and node.