Function commas

qrcode/console_scripts.py:171–177

(items: Iterable[str], joiner="or")

def commas(items: Iterable[str], joiner="or") -> str:
    items = tuple(items)
    if not items:
        return ""
    if len(items) == 1:
        return items[0]
    return f"{', '.join(items[:-1])} {joiner} {items[-1]}"


if __name__ == "__main__":  # pragma: no cover