code: def remove_duplicates(utt_pairs, noise_pairs):
      print("Removing duplicates")
      # look for identical mixtures O(n²)
      for i, (pair, pair_noise) in enumerate(
          zip(utt_pairs, noise_pairs)
      ):
          for j, (du_pair, du_pair_noise) in enumerate(
              zip(utt_pairs, noise_pairs)
          ):
              # sort because [s1,s2] = [s2,s1]
              if sorted(pair) == sorted(du_pair) and i != j:
                  utt_pairs.remove(du_pair)
                  noise_pairs.remove(du_pair_noise)
      return utt_pairs, noise_pairs
  
imports: import argparse
  import os
  import random
  import warnings
  import numpy
  import pandas
  import pyloudnorm
  import soundfile
  from tqdm import tqdm
label_desc: Use image node_id 8 for calling a global function with example usage: remove_duplicates(utt_pairs, noise_pairs) and returns: utt_pairs,  noise_pairs