<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def init(lang, domain):
 """ Initialize translations for a language code. """

    translations_dir = _get_translations_dir()
    domain = _get_translations_domain(domain)
    pot = os.path.join(translations_dir, f'{domain}.pot')
    return _run(f'init -i {pot} -d {translations_dir} -l {lang} --domain={domain}')