code: def main():
      xys = []
  
      for pattern in FLAGS.files:
          for filename in glob.glob(pattern):
              xys.append(load_file(filename))
  
      plot(xys)
  
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 6 for calling a global function with example usage: main() without return types