Setting Org Babel

[Christopher Dimech]

I am trying to use Org Babel with the code

Have tried

#+begin_src sh
  date
#+end_src

But I am getting

Evaluation of this sh code block is disabled.

(require 'org)
(require 'ob-org)
(require 'ob-shell)

(org-babel-do-load-languages
   'org-babel-load-languages
   '( (fortran . t) (lisp . t) (emacs-lisp . t) (C . t)
      (shell . t) (awk . t) (latex . t)
      (R . t) (python . t) ))