python-shell-get-or-create-process
python-shell-get-or-create-process is a compiled Lisp function in `python.el
'.
(python-shell-get-or-create-process &optional CMD DEDICATED SHOW)
Get or create an inferior Python process for current buffer and return it.
Arguments CMD, DEDICATED and SHOW are those of `run-python' and
are used to start the shell. If those arguments are not
provided, `run-python' is called interactively and the user will
be asked for their values.