Dlib与glob的集合点

Question

我是Python中的新手，现在我正在尝试用DLIB C++库来收集点坐标。但我不能理解这个密码。请帮帮我

for f in glob.glob(os.path.join(faces_folder_path, "*.JPG")):
    fh = open(f + ".txt","w")

    print("Processing file: {}".format(f))
    img = io.imread(f)