code: def as_multi_dict(d):
      'Coerce a dictionary to a bottle.MultiDict'
      if isinstance(d, bottle.MultiDict):
          return d
      md = bottle.MultiDict()
      for k, v in d.iteritems():
          if isinstance(v, list):
              for x in v:
                  md[k] = x
          else:
              md[k] = v
      return mf as_multi_dict(d):
      'Coerce a dictionary to a bottle.MultiDict'
      if isinstance(d, bottle.MultiDict):
          return d
      md = bottle.MultiDict()
      for k, v in d.iteritems():
          if isinstance(v, list):
              for x in v:
                  md[k] = x
          else:
              md[k] = v
      return md
docs: Coerce a dictionary to a bottle.MultiDict