text: import re
  
  for train in [2, 3, 4]:
      for test in [8, 64]:
          for mode in ["train", "test", "dev"]:
              with open("train{}_test{}/{}.txt".format(train, test, mode)) as f:
                  text = f.read()
              matches = re.findall("\[([0-9 ]*)\]\t\[([0-9 ]*) (\d*)\]", text)
              text = list()
              for match in matches:
                  l_sorted = [int(i) for i in match[0].split(" ")]
                  l = [int(i) for i in match[1].split(" ")]
                  l.reverse()
                  l_sorted.reverse()
                  text.append("forth_sort({},{}).".format(l, l_sorted))
  
              with open("train{}_test{}_{}.txt".format(train, test, mode), "w") as f:
                  f.write("\n".join(text))
  