$my_var: 5

plain: $my_var
in_array_middle: [1, $my_var, 3]
in_array_last: [1, 2, $my_var]

$name: "Aníbal"
$surname: "Troilo"
$year_of_birth: 1914

# Assigning variable value to another variable is allowed
$aux: $name

in_object:
    name: $aux
    surname: $surname
    year_of_birth: $year_of_birth