fitzgeraldsteele

#!/usr/bin/env python
import sys

def netpromoterscore(scores):
	"""
	Calculates the netpromoter score of a list
	The Net Promoter Score is obtained by asking customers a single question on a 0 to 10 rating scale: 
	'How likely is it that you would recommend our company to a friend or colleague?' 
	Based on their responses, customers are categorized into one of three groups: 
	Promoters (9-10 rating), Passives (7-8 rating), and Detractors (0-6 rating).