Consider this dictionary format.
{\'KEY1\':{\'name\':\'google\',\'date\':20100701,\'downloads\':0},
\'KEY2\':{\'name\':\'chrome\',\'date\':20071010,\'downlo
Use the key argument for sorted(). It lets you specify a function that, given the actual item being sorted, returns a value that should be sorted by. If this value is a tuple, then it sorts like tuples sort - by the first value, and then by the second value.
sorted(your_list, key=lambda x: (your_dict[x]['downloads'], your_dict[x]['date']))