a = 1
a + 3
1 = a
2 = a
list = [1, 2, 3]
[a, b, c] = list
a
b
c
list = [1, 2, [3, 4, 5]]
[a, b, c] = list
list = [1, 2, 3]
[a, 2, b] = list
[1, _, _] = [1, 2, 3]
[1, _, _] = [1, "cat", "dog"]
a = 1
a = 2
a^ = 1
a = 2
{ :ok, file } = File.read("./example.txt")