code: def main():
      argv = sys.argv
      if len(argv) < 1:
          usage()
          return
      algorithm = "english"
      if len(argv) > 2:
          algorithm = argv[1]
          argv = argv[2:]
      else:
          argv = argv[1:]
      stemmer = snowballstemmer.stemmer(algorithm)
      splitter = re.compile(r"[\s\.-]")
      for arg in argv:
          for word in splitter.split(arg):
              if word == "":
                  continue
              original = word.lower()
              print(original + " -> " + stemmer.stemWord(original))
  
imports: import sys
  import re
  import snowballstemmer
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types