>>> list =[["100/1", 105, 105, "Active"],
... ["100/2", 104, 104, "Non-Active"],
... ["100/1", 105, 105, "Non-Active"],
... ["100/2", 103, 102, "Active"],
... ["100/5", 104, 104, "Non-Active"]]
>>> list.sort()
>>> list
[['100/1', 105, 105, 'Active'], ['100/1', 105, 105, 'Non-Active'], ['100/2', 103, 102, 'Active'], ['
100/2', 104, 104, 'Non-Active'], ['100/5', 104, 104, 'Non-Active']]
>>>
こちらのブログが詳しいです。