how change column strin of list data type to list

1from ast import literal_eval
2import pandas as pd
3
4# convert the column during import
5df = pd.read_csv('test.csv', converters={'col1': literal_eval})
6
7# display(df)
8                                col1
90                       [1.23, 2.34]
101  [KB4523205, KB4519569, KB4503308]
11
12# check type
13print(type(df.iloc[0, 0]))
14list
15
16print(type(df.iloc[1, 0]))
17list
18