[(3, 'aaaaaa'), (1, 'admin'), (2, 'qqqqqq'), (4, 'zzzzzz')]

[
    {
        3: 'aaaaaa', 
        1: 'admin', 
        2: 'qqqqqq', 
        4: 'zzzzzz', 
    }
]

>>> l = [(3, 'aaaaaa'), (1, 'admin'), (2, 'qqqqqq'), (4, 'zzzzzz')]
>>> [{k: v for k, v in l}]
или
>>> [dict(l)]