#+BEGIN_SRC
#+END_SRC

#+BEGIN_SRC R
#+END_SRC

;; add <p for python expansion
(add-to-list 'org-structure-template-alist
         '("p" "#+BEGIN_SRC python :results output org drawern?n#+END_SRC"
           "<src lang="python">n?n</src>"))

;; add <el for emacs-lisp expansion
(add-to-list 'org-structure-template-alist
         '("el" "#+BEGIN_SRC emacs-lispn?n#+END_SRC"
           "<src lang="emacs-lisp">n?n</src>"))