or
==
Returns the first successful output.

Function Arguments
------------------
.. list-table::
   :widths: 20 10 60
   :header-rows: 1
   :align: left

   * - Name
     - Type
     - Description

   * - functions
     - list
     - The list of the function expression.

Description
-----------
The concept is::

  output = Func1(data) or Func2(data) or ...