http://stackoverflow.com/questions/72899/how-do-i-sort-a-list-of-dictionaries-by-values-of-the-dictionary-in-python

http://stackoverflow.com/questions/613183/sort-a-python-dictionary-by-value

http://stackoverflow.com/questions/22264956/how-to-sort-dictionary-by-key-in-alphabetical-order-python

http://stackoverflow.com/questions/1801668/convert-a-python-list-with-strings-all-to-lowercase-or-uppercase

http://stackoverflow.com/questions/16772071/sort-dict-by-value-python