code: def splitem(query):
  	
  	prompt, sep, query = query.rstrip('?.!').rpartition(':')
  
  	choices = query.split(',')
  	choices[-1:] = choices[-1].split(' or ')
  
  	return [choice.strip() for choice in choices if choice.strip()]
docs: Split a query into choices
  
  	>>> splitem('dog, cat')
  	['dog', 'cat']
  
  	Disregards trailing punctuation.
  
  	>>> splitem('dogs, cats???')
  	['dogs', 'cats']
  	>>> splitem('cats!!!')
  	['cats']
  
  	Allow or
  	>>> splitem('dogs, cats or prarie dogs?')
  	['dogs', 'cats', 'prarie dogs']
  
  	Honors serial commas
  	>>> splitem('dogs, cats, or prarie dogs?')
  	['dogs', 'cats', 'prarie dogs']
  
  	Allow choices to be prefixed by some ignored prompt.
  	>>> splitem('stuff: a, b, c')
  	['a', 'b', 'c']