Tuple unpacking:
t = (1, 2)
a, b = t
# a == 1 and b == 2
Using slices is normal with lists t = (1, 2)
a, b = t
# a == 1 and b == 2
Using slices is normal with lists php > $t = array(1, 2);
php > list($a, $b) = $t;
php > echo "$a, $b";
1, 2