from pandas import DataFrame

def me_eval():
    eval('[]')
    df = DataFrame({'a': ['1', '[]', '[1,2,3]'], 'b': [4, 5, 6]})
    # print(df.to_dict())
    df['a'] = df['a'].apply(eval)
    # print(df.to_dict())
    map(eval, l)
    # print([i for i in r])


if __name__ == '__main__':
    me_eval()

{'a': {0: '1', 1: '[]', 2: '[1,2,3]'}, 'b': {0: 4, 1: 5, 2: 6}}
{'a': {0: 1, 1: [], 2: [1, 2, 3]}, 'b': {0: 4, 1: 5, 2: 6}}
[1, [], [1, 2, 3]]

ruff check
demo_eval.py:5:5: S307 Use of possibly insecure function; consider using `ast.literal_eval`
  |
4 | def me_eval():
5 |     eval('[]')
  |     ^^^^^^^^^^ S307
6 |     df = DataFrame({'a': ['1', '[]', '[1,2,3]'], 'b': [4, 5, 6]})
7 |     # print(df.to_dict())
  |

 df['a'].apply(eval)
map(eval, ***)