/usr/bin/env python
# coding:utf-8
states_need = set(["mt", "wa", "or", "id", "nv", "ut", "ca", "az"...', 'id', 'nv']), 'kfour': set(['ut', 'nv'])}
('states_need:', set(['wa', 'ut', 'ca', 'id', 'mt', 'az'...('states_need:', set(['ut', 'or', 'nv']), 'states_for_station:', set(['ut', 'nv']), 'covered:', set([...'ut', 'nv']))
('states_needed:', set(['ut', 'or', 'nv']), 'best_station:', 'ktwo', 'final_stations:',...states_need:', set(['ut']), 'states_for_station:', set(['ut', 'nv']), 'covered:', set(['ut']))
('states_needed