def METHOD_NAME():
    good_characters = "teтестst"
    st = characters(
        min_codepoint=ord("0"),
        max_codepoint=ord("9"),
        whitelist_characters=good_characters,
    )
    find_any(st, lambda c: c in good_characters)
    find_any(st, lambda c: c in "0123456789")
    assert_no_examples(st, lambda c: c not in good_characters + "0123456789")