code: def moving_average(a, n=20):
      return np.convolve(a, np.ones((n,)) / n, mode="valid")
  
file_path: moolib/examples/plot.py
imports: import argparse
  import glob
  import os
  import gnuplotlib
  import numpy
  import pandas
label_desc: Use image node_id 2 for calling a global function with example usage: moving_average(a, n) and returns: np