code: def predict(self, predict_set ):
          
          predict_data           = np.array( [instance.features for instance in predict_set ] )
          
          return self.update( predict_data )
docs: This method accepts a list of Instances
          
          Eg: list_of_inputs = [ Instance([0.12, 0.54, 0.84]), Instance([0.15, 0.29, 0.49]) ]