from pprint import pprint
champions = [
(2014, 'San Antonio Spurs'),
(2015, 'Golden State Warriors'),
(2016, 'The Cleveland Cavaliers'),
(2017, 'Golden State Warriors'),
(2018, 'Golden State Warriors'),
]
pprint({c[0]: c[1] for c in champions})
# Example: nonunique keys
pprint({c[1]: c[0] for c in champions})
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX