import json import shutil from tqdm import tqdm with open('openi-en.json') as f: data = json.load(f) #print(len(data['annotations'])) #print(data['annotations'][0]['image_id']) for i in tqdm(range(len(data['annotations']))): img_name = data['annotations'][i]['image_id'] src_file = './images/'+str(img_name)+'.png' # 新建images2文件夹 dst_file = './images2/' shutil.copy(src_file, dst_file)