I like IPython but: I always lose my IPython session and have to start over again. I find copying and pasting to and from an editor to be clumsy. I sometimes ha

I like IPython but: I always lose my IPython session and have to start over again. I find copying and pasting to and from an editor to be clumsy. I sometimes have to keep "%load"-ing the same file over and over again to test my changes. I do want to be able to write my Python code with the help of a REPL.