sort dictionary by value

sort_dict.py

# http://stackoverflow.com/questions/613183/python-sort-a-dictionary-by-value
# http://wiki.python.org/moin/HowTo/Sorting/


import operator
x = {1: 2, 3: 4, 4:3, 2:1, 0:0}

sorted_x = sorted(x.iteritems(), key=operator.itemgetter(1),reverse=True)

y = [ ('john', 'A', 15), ('jane', 'B', 12), ('dave', 'B', 10),]

# sort by age
sorted_y = sorted(y, key=lambda student: student[2])