chunked/nltk_chunking/tasks_video_classification/chunk_12.txt

class_labels = sorted({str(path).split("/")[2] for path in all_video_file_paths})
label2id = {label: i for i, label in enumerate(class_labels)}
id2label = {i: label for label, i in label2id.items()}
print(f"Unique classes: {list(label2id.keys())}.")