[lang-ref] 複数の変数に代入 ( 左辺が少ないときの動作 ) ( python )

def test_assign_to_multi_variable_but_lhs_is_short():
    # ValueError
    with pytest.raises(ValueError):
        (a, b) = [1, 2, 3] # ValueError: too many values to unpack (expected 2, got 3)