def read_files(files):
    combined_data = []
    for file in files:
        with open((('./data/' + file) + '.json')) as data_file:
            data = json.load(data_file)
            combined_data.extend(data['data'])
    return combined_data
def read_files(files):
    combined_data = []
    for file in files:
        with open((('./data/' + file) + '.json')) as data_file:
            data = json.load(data_file)
            combined_data.extend(data['data'])
    return combined_data