import os

def make_dir(base_dir, new_dir):
    new_path = os.path.join(base_dir, new_dir)
    if not os.path.exists(new_path):
        print(new_path)
        os.makedirs(new_path)
    return new_path

def add_user_comment(image_path, comment):
    user_comment = piexif.helper.UserComment.dump(comment)
    exif_dict = piexif.load(image_path)
    exif_dict["Exif"][piexif.ExifIFD.UserComment] = user_comment
    exif_bytes = piexif.dump(exif_dict)