from activepapers.contents import data import numpy as np # Create group for the output data output = data.create_group('output') input_data = data['inputs'] # Adding the 2 inputs array arr_1 = input_data['dataset_1'][:].astype(np.int) arr_2 = input_data['dataset_2'][...].astype(np.int) sum = arr_1 + arr_2 # Writing the output output['sum'] = sum