[lang-ref] ( sorted_by_col_index ) ( python )

def test_sorted_by_col_index():
    # itemgetter
    from operator import itemgetter
    items = [
        ('Team-A', 974),
        ('Team-B', 962),
        ('Team-C', 985),
    ]
    expected = [
        ('Team-B', 962),
        ('Team-A', 974),
        ('Team-C', 985),
    ]

    r = sorted(items, key=itemgetter(1))

    assert r == expected

def test_sorted_by_col_index_alternative1():
    items = [
        ('Team-A', 974),
        ('Team-B', 962),
        ('Team-C', 985),
    ]
    expected = [
        ('Team-B', 962),
        ('Team-A', 974),
        ('Team-C', 985),
    ]

    r = sorted(items, key=lambda x: x[1])

    assert r == expected

def test_sorted_by_col_index_alternative2():
    # If key is omitted, tuples are compared lexicographically (by the first element, then next...).
    items = [
        ('Team-C', 985),
        ('Team-B', 962),
        ('Team-A', 974),
    ]
    expected = [
        ('Team-A', 974),
        ('Team-B', 962),
        ('Team-C', 985),
    ]

    r = sorted(items)

    assert r == expected