code: def use(data, attrs):
      
      if isinstance(data, dict):
          if not isiterable(attrs):
              attrs = [attrs]
          coll = map(data.get, attrs)
      else:
          coll = map(lambda x: getattr(data, x), attrs)
      return coll
docs: Return the values of the attributes for the given data
  
      :param data: the data
      :param attrs: strings
      :returns: a list
  
      With a dict::
  
          >>> band = {'name': 'Metallica', 'singer': 'James Hetfield', 'guitarist': 'Kirk Hammet'}
          >>> use(band, ('name', 'date', 'singer'))
          ['Metallica', None, 'James Hetfield']
  
      With a non dict data structure::
  
          >>> from collections import namedtuple
          >>> Person = namedtuple('Person', ('name', 'age', 'gender'))
          >>> alice = Person('Alice', 30, 'F')
          >>> use(alice, ('name', 'gender'))
          ['Alice', 'F']