[lang-ref] ( union_destructive ) ( python )

def test_union_destructive():
    # a |= b
    a = set([1, 2, 3])
    b = set([2, 3, 4, 5])

    a |= b

    assert a == set([1, 2, 3, 4, 5])

def test_union_destructive_alternative():
    # a | b
    a = set([1, 2, 3])
    b = set([2, 3, 4, 5])

    a.update(b)

    assert a == set([1, 2, 3, 4, 5])