# encoding: utf-8

import csv

import collections

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

print(d)

kd = collections.OrderedDict(sorted(d.items(),key = lambda t:t[0]))

print('key order')

print(kd)

vd = collections.OrderedDict(sorted(d.items(),key = lambda t:t[1]))

print('value order')

print(vd)

print(type(vd))

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

key order

OrderedDict([('apple', 4), ('banana', 3), ('orange', 2), ('pear', 1)])

value order

OrderedDict([('pear', 1), ('orange', 2), ('banana', 3), ('apple', 4)])

<class 'collections.OrderedDict'>

Process finished with exit code 0