code: def main():
      args = parse_args(sys.argv[1:])
      print(generate_code(args))
  
file_path: m2cgen/m2cgen/cli.py
imports: import sys
  from argparse import ArgumentParser, FileType
  from inspect import signature
  import numpy
  import m2cgen
label_desc: Use image node_id 3 for calling a global function with example usage: main() without return types