ordered_dict.py

#coding:utf8


from collections import OrderedDict


d = {'banana': 3, 'apple': 4, 'pear': 1, 'orange': 2}

for k,v in d.items():
    print(k,v)

print('按照 key 排序')
d2 = OrderedDict(sorted(d.items(), key=lambda t: t[0]))

for k,v in d2.items():
    print(k,v)


print('按照 value 排序')
d3 = OrderedDict(sorted(d.items(), key=lambda t: t[1]))
for k,v in d3.items():
    print(k,v)


#ref https://docs.python.org/2/library/collections.html#collections.OrderedDict