[lang-ref] ( list_for_in ) ( python )

def test_list_for_in():
    # for i in range(n)
    # Note: Included for comparison; in practice, prefer enumerate().

    items = ['A', 'B', 'C', 'D', 'E']

    r = ''
    for i in range(len(items)):
        item = items[i]

        r += f'{i}{item},'

    assert r == '0A,1B,2C,3D,4E,'