code: def main():
      
  
      if len(sys.argv) < 6:
          print("Usage: %s server_url username password namespace' \
                ' classname" %  sys.argv[0])
          print('Using internal defaults')
          server_url = SERVER_URL
          namespace = TEST_NAMESPACE
          username = USERNAME
          password = PASSWORD
          classname = TEST_CLASS
      else:
          print('Get from input')
          server_url = sys.argv[1]
          namespace = sys.argv[2]
          username = sys.argv[3]
          password = sys.argv[4]
          classname = sys.argv[5]
  
      # create the credentials tuple for WBEMConnection
      creds = (username, password)
  
      # call the method to execute the request and display results
      execute_request(server_url, creds, namespace, classname)
  
      return 0
docs: Get arguments and call the execution function