text: #Licensed to the Apache Software Foundation (ASF) under one
  #or more contributor license agreements.  See the NOTICE file
  #distributed with this work for additional information
  #regarding copyright ownership.  The ASF licenses this file
  #to you under the Apache License, Version 2.0 (the
  #"License"); you may not use this file except in compliance
  #with the License.  You may obtain a copy of the License at
  
  #     http://www.apache.org/licenses/LICENSE-2.0
  
  #Unless required by applicable law or agreed to in writing, software
  #distributed under the License is distributed on an "AS IS" BASIS,
  #WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  #See the License for the specific language governing permissions and
  #limitations under the License.
  
  import sys
  
  sampleText = "Hello World!"
  
  if __name__=="__main__":
    args = sys.argv[1:]
    if args[0] == "1":
      # print sample text to stderr
      sys.stdout.write(sampleText)
  
    elif args[0] == "2":
      # print sample text to stderr 
      sys.stderr.write(sampleText)
  
    # Add any other helper programs here, with different values for args[0]
    pass
  
  