Update cefr_utils.py

cefr_utils.py

@@ -1,3 +1,13 @@
+import os
+from tqdm import tqdm
+import torch
+import transformers
+from transformers import AutoTokenizer, AutoModelForCausalLM
+import math
+import re
+
+device = "cuda" if torch.cuda.is_available() else "cpu"
+
 description = {
     "C2": "Has a good command of idiomatic expressions and colloquialisms with awareness of connotative levels of meaning. Can convey finer shades of meaning precisely by using, with reasonable accuracy, a wide range of modification devices. Can backtrack and restructure around a difficulty so smoothly that the interlocutor is hardly aware of it.",
     "C1": "Can express themselves fluently and spontaneously, almost effortlessly. Has a good command of a broad lexical repertoire allowing gaps to be readily overcome with circumlocutions. There is little obvious searching for expressions or avoidance strategies; only a conceptually difficult subject can hinder a natural, smooth flow of language.",