code: def snr_xy(x, y):
      return 10 * np.log10(
          np.mean(x**2) / (np.mean(y**2) + EPS) + EPS
      )
  
imports: import os
  import argparse
  import soundfile
  import pandas
  import numpy
  import functools
  from scipy.signal import resample_poly
  import tqdm.contrib.concurrent
  import glob
  import shutil
label_desc: Use image node_id 20 for calling a global function with example usage: snr_xy(x, y) and returns: unknown