convert a data frame column values to list
import pandas as pd data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']), 'two': pd.Series([1, 2, 3, 4], index=['a', 'b', 'c', 'd'])} df = pd.DataFrame(data_dict) print(f"DataFrame:n{df}n") print(f"column types:n{df.dtypes}") col_one_list = df['one'].tolist() col_one_arr = df['one'].to_numpy() print(f"ncol_one_list:n{col_one_list}ntype:{type(col_one_list)}") print(f"ncol_one_arr:n{col_one_arr}ntype:{type(col_one_arr)}")