sorting_dicts.py

# coding=utf-8
import collections

data = {'one': 1, 'two': 2, 'three': 3, 'a': 2}

sorted_data = collections.OrderedDict(sorted(data.items()))

print sorted_data
print sorted_data['three']

filtered_data = collections.OrderedDict(
    filter(lambda (k, v): k is not 'three', sorted_data.items()))
print filtered_data