One of the first things new Emacs users learn is the eval-last-sexp (C-x C-e) command and that Emacs can interpret elisp anywhere it appears. Here’s a quick tip about using this command when writing elisp that you may not have discovered. If you call it with a prefix (C-u) argument, it prints (or attempts to print) the result in place in the buffer. Better yet, call it with an argument of 0 (C-0 C-x C-e) to avoid truncating longer results.
