docs: def query(string):
  	"""query(user string) -- make http request to duckduckgo api, to get result
  	in json format, then call parse_result.
  	"""
  	url = "https://api.duckduckgo.com/?q="
  	formating = "&format=json"
  	query_string = url+'+'.join(string)+formating
  	try:
  		result = json.loads(requests.get(query_string).text)
  	except:
  		print "I'm sorry! Something went wrong. Maybe we could try again later."
  		return
  	parse_result(result)