The easiest to understand is to create a list, in the order you want to sort. Oops, the following list is in reverse order.
list_to_sort=[('key1', 0.061, 0),
('key2', 0.034, 0),
('key3', 0.046, 0),
('key4', 0.0593, 0),
('key5', 0.091), 0],
('key1', 0.025, 1),
('key2', 0.046, 1),
('key3', 0.014, 0),
('key4', 0.054, 1),
('key5', 0.05, 1)]
list_to_sort=[('key1', 0.061, 0),
('key2', 0.034, 0),
('key3', 0.046, 0),
('key4', 0.0593, 0),
('key5', 0.091), 0],
('key1', 0.025, 1),
('key2', 0.046, 1),
('key3', 0.014, 0),
('key4', 0.054, 1),
('key5', 0.05, 1)]