def test_01(): from cw08_write_num import expanded_form assert expanded_form(12) == '10 + 2'
def test_06(): from cw08_write_num import expanded_form assert expanded_form(999) == '900 + 90 + 9'
def test_05(): from cw08_write_num import expanded_form assert expanded_form(79) == '70 + 9'
def test_04(): from cw08_write_num import expanded_form assert expanded_form(404) == '400 + 4'
def test_03(): from cw08_write_num import expanded_form assert expanded_form(70304) == '70000 + 300 + 4'
def test_02(): from cw08_write_num import expanded_form assert expanded_form(42) == '40 + 2'