[lang-ref] ( drop_last_n ) ( python )

def test_drop_last_n():
    # items[:-n]
    items = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']
    n = 3
    part = items[:-n]
    assert part == ['0', '1', '2', '3', '4', '5', '6']