code: def set_lang(prefix):
    '''
    Change the language of the API being requested.
    Set `prefix` to one of the two letter prefixes found on the `list of all Wikipedias <http://meta.wikimedia.org/wiki/List_of_Wikipedias>`_.
  
    After setting the language, the cache for ``search``, ``suggest``, and ``summary`` will be cleared.
  
    .. note:: Make sure you search for page titles in the language that you have set.
    '''
    global API_URL
    API_URL = 'http://' + prefix.lower() + '.wikipedia.org/w/api.php'
  
    for cached_func in (search, suggest, summary):
      cached_func.clear_cache(f set_lang(prefix):
    '''
    Change the language of the API being requested.
    Set `prefix` to one of the two letter prefixes found on the `list of all Wikipedias <http://meta.wikimedia.org/wiki/List_of_Wikipedias>`_.
  
    After setting the language, the cache for ``search``, ``suggest``, and ``summary`` will be cleared.
  
    .. note:: Make sure you search for page titles in the language that you have set.
    '''
    global API_URL
    API_URL = 'http://' + prefix.lower() + '.wikipedia.org/w/api.php'
  
    for cached_func in (search, suggest, summary):
      cached_func.clear_cache()
docs: Change the language of the API being requested.
    Set `prefix` to one of the two letter prefixes found on the `list of all Wikipedias <http://meta.wikimedia.org/wiki/List_of_Wikipedias>`_.
  
    After setting the language, the cache for ``search``, ``suggest``, and ``summary`` will be cleared.
  
    .. note:: Make sure you search for page titles in the language that you have set.