python 字典转json

def submit(path):
    data = []
    for line in open(path):
        if not line.strip():
            continue
        _ = json.loads(line.strip())
        res = predict(_["text"])
        data.append(json.dumps({"id":_['id'],"text":_["text"],"label": res}, ensure_ascii=False))
    open("ner_predict.json", "w").write("
".join(data))