* Initialize French translations. PR [#1975](https://github.com/tiangolo/fastapi/pull/1975) by [@JulianMaurin-BM](https://github.com/JulianMaurin-BM).
* Initialize Turkish translations. PR [#1905](https://github.com/tiangolo/fastapi/pull/1905) by [@ycd](https://github.com/ycd).

### Internal

    new_index_content = f"{missing_translation_snippet}\n\n{en_index_content}"
    new_index_path.write_text(new_index_content, encoding="utf-8")
    typer.secho(f"Successfully initialized: {new_path}", color=typer.colors.GREEN)
    update_languages()


@app.command()
def build_lang(
    lang: str = typer.Argument(
        ..., callback=lang_callback, autocompletion=complete_existing_lang