code: def _set_textarea(el, value):
          
          if isinstance(value, dict):
              el.text = value["val"]
          elif type(value) in [list, tuple]:
              el.text = "\n\n".join(
                  "-- %s --\n%s" % (item["source"], item["val"])
                  for item in value
              )
          else:
              el.text = value
docs: Set content of given textarea element `el` to `value`.
  
          Args:
              el (obj): Reference to textarea element you wish to set.
              value (obj/list): Value to which the `el` will be set.