code: def tuple2dict(mytuple, constructor=dict):
      
      result = constructor()
      for elt in mytuple:
          key, value = elt
          if type(value) == type(()):
              key_value = tuple2dict(value, constructor=constructor)
          elif type(value) == type([]):
              key_value = []
              for elt in value:
                  key_value.append(tuple2dict(elt, constructor=constructor))
          else:
              key_value = value
          result[key] = key_value
      return result
docs: Turn a tuple as returned by dict2tuple back
      into a dictionary structure. The optional
      parameter "constructor" governs, what class
      is used to create the dictionary: by default,
      the standard dict class is used, but in DINGO
      we mostly use the DingoObjDict class.