assert [1, 2, 3] == [1, 2, 3]
assert ["a", "b", "c"] == ["a", "b", "c"]

assert [1, 2, 3] != [7, 2, 3]
assert [1, 2, 3] != [1, 2, 3, 4]

assert ["a", "b", "c"] != ["ac", "b", "c"]
assert ["a", "b", "c"] != ["a", "b", "c", "d"]

assert 3 == [3, 8, 9][0]
assert 8 == [3, 8, 9][1]
assert 9 == [3, 8, 9][2]

assert "8" == ["3", "8", "9"][2 - 1]

assert 7 == [[4, 6], [9, 2, 7], [3, 3, 2]][1, 2]
assert 9 == [[4, 6], [9, 2, 7], [3, 3, 2]][[2, 9, 1][2], 0]