old_contents: #!/usr/bin/env python
  
  from __future__ import print_function
  
  import argparse
  
  def hello():
      """ Says hello """
  
      parser = argparse.ArgumentParser()
      parser.add_argument('name', help="name of person to greet")
      parser.add_argument('-r', '--repeat', type=int, default=1,
              help="number of times to print the greeting")
      args = parser.parse_args()
  
      for i in xrange(args.repeat):
          print("Hello, {0}!".format(args.name))
  
  if __name__ == '__main__':
      hello()
  
new_contents: #!/usr/bin/env python
  
  from __future__ import print_function
  
  import argparse
  
  def hello():
      """ Argparse CLI to gree the provided NAME. """
  
      parser = argparse.ArgumentParser()
      parser.add_argument('name', help="name of person to greet")
      parser.add_argument('-c', '--count', type=int, default=1,
              help="number of times to print the greeting")
      args = parser.parse_args()
  
      for i in xrange(args.count):
          print("Hello, {0}!".format(args.name))
  
  if __name__ == '__main__':
      hello()
  
subject: rename options for consistency