def __contains__(self, item):
try:
if not isinstance(item, list) and not isinstance(item, tuple):
item = [item]
get_from_dict(self._keyword_dict, item)
return True
except KeyError:
return False
def __getitem__(self, key):
if not isinstance(key, list) and not isinstance(key, tuple):
key = [key]
return get_from_dict(self._keyword_dict, key)
