code: def count_train_in_other_set(mess_up_train):
      train_in_others = [
          (direction, s)
          for s, directions in mess_up_train.items()
          for direction in directions
      ]
      counts = {}
      for direction, s in train_in_others:
          counts[direction] = counts.get(direction, 0) + 1
      return counts
  
file_path: fairseq/examples/multilingual/data_scripts/remove_valid_test_in_train.py
imports: import os, sys
  import glob, itertools
  import pandas
label_desc: Use image node_id 7 for calling a global function with example usage: count_train_in_other_set(mess_up_train) and returns: counts