code: def test_list_mela():
      melas = librosa.list_mela()
      assert len(melas) == 72
      for k in melas:
          assert 1 <= melas[k] <= 72
  
imports: import os
  import sys
  import warnings
  import numpy
  import pytest
  import librosa
label_desc: Use image node_id 14 for calling a global function with example usage: test_list_mela() without return types