Elixir wybierz elementy na liście

iex> [first | [second | [third | [ fourth | _rest ]]]] = [1, 2, 3, 4, 5, 6, 7]
[1, 2, 3, 4, 5, 6, 7]
iex> first
1
iex> {second, third, fourth}
{2, 3, 4}
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