Newbie lambda question

[hshivaraj]

(1, 'one')
(2, 'two')
(3, 'three')
(4, 'four')

The second element of all the tuple is

'one'
'two'
'three'
'four'

if you sort the above words, it would come out as

(4, 'four'), 
(1, 'one'), 
(3, 'three'), 
(2, 'two')