import pandas as pd

from random import choice, seed
from string import ascii_uppercase
seed(42)
strings = [''.join(choice(ascii_uppercase) for i in range(32)) for j in range(10000)]

# To create a pandas series from a list of strings
strings_pandas = pd.Series(strings)

# You query a pandas series like this
strings_pandas[strings_pandas.str.contains('AAA')]