Redis 'zunionstore' example for Chariot Day

zunionstore.py

import redis

r = redis.StrictRedis(host='localhost', port=6379, db=0)

r.zadd('votes:east',        **{'riak': 1,      'couchdb': 1,   'cassandra': 1})
r.zadd('votes:north',       **{'redis': 1,     'onetick': 1,   'couchdb': 1})
r.zadd('votes:west',        **{'redis': 1,     'riak': 1,      'couchdb': 1})
r.zadd('votes:south',       **{'voltdb': 1,    'mongodb': 1,   'hazelcast': 1})
r.zadd('votes:north:east',  **{'hazelcast': 1, 'riak': 1,      'redis': 1})
r.zadd('votes:north:west',  **{'redis': 1,     'cassandra': 1, 'onetick': 1})

r.zunionstore('topdogs', ['votes:east', 'votes:north', 'votes:west', 'votes:south', 'votes:north:east', 'votes:south:west'])

print "\nand the top dogs are..."
print "-----------------------"

# iterate here simply to print them vertically, otherwise can simply do:
#     print r.zrevrange('topdogs', 0, -1, 'withscores')

for topdog in r.zrevrange('topdogs', 0, -1, 'withscores'):
    print topdog

"""
and the top dogs are...
-----------------------
('redis', 4.0)
('riak', 3.0)
('couchdb', 3.0)
('onetick', 2.0)
('hazelcast', 2.0)
('cassandra', 2.0)
('voltdb', 1.0)
('mongodb', 1.0)
"""