operator_itemgetter.py

#!/usr/bin/env python


from operator import *

l = [dict(val=-1 * i) for i in xrange(4)]
print 'Dictionaries:', l
g = itemgetter('val')
vals = [g(i) for i in l]
print '     values:', vals
print '     sorted:', sorted(l, key=g)

print
l = [(i, i * -2) for i in xrange(4)]
print 'Tuples   :', l
g = itemgetter(1)
vals = [g(i) for i in l]
print '     values:', vals
print '     sorted:', sorted(l, key=g)