python的数据处理一

def load_data(filename):
    features = []
    labels = []
    f = open(filename, encoding='utf-8')
    medical = json.load(f)
    for medical in medical:
        feature = []
        label = []
        for ner_message in medical[1:]:
            for index, message in enumerate(ner_message[0]):
                feature.append(message)
                label.append(ner_message[1])
        features.append(feature)
        labels.append(label)
    return features, labels