[lang-ref] ( dict_loop_by_key_value_pair ) ( python )

def test_dict_loop_by_key_value_pair():
    d = { 'A': 1, 'B': 2, 'C': 3 }
    r = ''
    for k, v in d.items():
        r += f'{k}{v},'

    assert r == 'A1,B2,C3,'