You can just check if str.contains
your search value
df[df['col_name'].str.contains('truck')]
Or use a chained str.get
and get the occurrences
df.col1.str.get(0).str.get(0)
Example:
df = pd.DataFrame()
df['col1'] = [[['truck',3, ('a',2)]], [['car', 2, ('b', 2)]]]
col1
0 [[truck, 3, (a, 2)]]
1 [[car, 2, (b, 2)]]
where
df.col1.str.get(0).str.get(0)
yields
0 truck
1 car
Name: col1, dtype: object
So you can use loc
df.loc[df.col1.str.get(0).str.get(0).eq('truck')]
col1
0 [[truck, 3, (a, 2)]]
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