Python OrderedDict

ordered_dict.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from collections import OrderedDict

print '### Standard Dict ###'

d = {}

for i in range(1, 11):
    d['key%03d' % i] = 'value%03d' % i

for key, value in d.items():
    print key, value


print '### OrderedDict ###'

d = OrderedDict()

for i in range(1, 11):
    d['key%03d' % i] = 'value%03d' % i


for key, value in d.items():
    print key, value

'''
### Standard Dict ###
key001 value001
key003 value003
key002 value002
key005 value005
key004 value004
key007 value007
key006 value006
key009 value009
key008 value008
key010 value010
### OrderedDict ###
key001 value001
key002 value002
key003 value003
key004 value004
key005 value005
key006 value006
key007 value007
key008 value008
key009 value009
key010 value010
'''