This one is short and sweet. Would you like to be able to write Python code on an iOS device? Now you can, with this app.
I have spent some time playing around with the app this week, and it seems to have two main uses. The first is entertaining yourself while waiting in line/riding the bus/whatever dead time you have where you would like to do something slightly more productive than checking Twitter. The second usage I see is making small edits with an iPad or iPhone while you happen to be away from your computer. (See the screenshot below showing the file loading functionality, more here.) In other words, this would not be my primary programming environment but it is a nice complement.
If you have never given programming a chance, having this app might make learning Python seem more like a game. If that's what it takes for you to plunge into coding, go for it!