minor #19105 [Console] [Question helper] Add more accuracy from a list of answers (devojifr)

This PR was merged into the 5.4 branch.

Discussion
----------

[Console] [Question helper]  Add more accuracy from a list of answers

User can select its choice by string or indexed answer from the list.
The default value can be a string or the indexed answer.

Commits
-------

4d6e960 [Question helper]  Add more accuracy from a list of answers

Author: javiereguiluz

components/console/helpers/questionhelper.rst

@@ -113,8 +113,10 @@ Let the User Choose from a List of Answers
 
 If you have a predefined set of answers the user can choose from, you
 could use a :class:`Symfony\\Component\\Console\\Question\\ChoiceQuestion`
-which makes sure that the user can only enter a valid string
-from a predefined list::
+which makes sure that the user can only enter a valid string or the index
+of the choice from a predefined list. In the example below, typing ``blue``
+or ``1`` is the same choice for the user. A default value is set with ``0``
+but ``red`` could be set instead (could be more explicit)::
 
     use Symfony\Component\Console\Question\ChoiceQuestion;