<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def fetcher(date=datetime.today(), url_pattern=URL_PATTERN):
 """ Fetch json data from n.pl Args: date (date) - default today url_patter (string) - default URL_PATTERN Returns: dict - data from api """

    api_url = url_pattern % date.strftime('%Y-%m-%d')

    headers = {'Referer': 'http://n.pl/program-tv'}
    raw_result = requests.get(api_url, headers=headers).json()
    return raw_result