import json 

# f = open("dataset_anns.json")
# js_file = json.load(f) 
# all_sent_ids = [] 
# for case in js_file['images']:
#     all_sent_ids.extend(case['sentids'])
# print("length of sent ids is: {}; max id of sentids is {}.".format(len(all_sent_ids), max(all_sent_ids))) 
# # print(js_file['images'][0])
# f.close()


import os 

# train_dict = os.listdir("/dataset/coco/train2017") 
# val_dict = os.listdir("/dataset/coco/val2017") 
import json 

with open("/dataset/coco/annotations/image_info_test2017.json", "r") as f:
    js = json.load(f) 
    print()