python 字典 转 pandas DataFrame

import pandas as pd

d = {
    
    
    'one': [[1, 2, 3], [4, 5, 6], [7, 8, 9], [10, 11, 12]],
    'two': [[1, 2], [3, 4], [5, 6], [7, 8]]
}

pd.DataFrame(d)