ValDictSort.py

# sorts a dictionary based on value
from collections import OrderedDict
from random import choice, randint
import string

# generate random upper case string of given length
def generateRandomString(len):
    return ''.join(choice(string.ascii_uppercase + string.digits) for _ in range(len))

#create a dict with arbitrary K-Vs
my_dict = {}
for i in xrange(30):
    my_dict[generateRandomString(2)] = randint(0, 100) # generateRandomString(4)

# print out the original arbitrary dict
print '#'*10+'UNSORTED'+'#'*10
for k, v in my_dict.iteritems():
    print k, v

# print out the sorted dict
print '#'*10+'SORTED'+'#'*10
for k, v in OrderedDict(sorted(my_dict.items(), key=lambda x:x[1], reverse=True)).iteritems():
    print k, v