What is the utility of the [ ] that surround a variable in a python line?

Question

Hello all!
What is the utility of the* [ ]* that surround the voucher.id variable in this line?
self.write(cr, uid,* [voucher.id]*, { 'move_id': move_id, 'state': 'posted', 'number': name,}) Thanks

Jérémy Kersten (jke) · Accepted Answer

function Write take a list of ids as parameter.
So that allow to pass the singleton id as a list.
id = 2
[id] = [2]

M Grmn · Answer

Its the array variant of python they dont call them arrays but lists.  But just as an array in for example php you can pop, remove, append, index, insert, reverse them :)
Lists in Python
https://docs.python.org/2/tutorial/datastructures.html
Arrays in Java and PHP (simular)
http://php.net/manual/en/language.types.array.php
http://docs.oracle.com/javase/tutorial/java/nutsandbolts/arrays.html

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