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:
{df}
")
print(f"column types:
{df.dtypes}")
col_one_list = df['one'].tolist()
col_one_arr = df['one'].to_numpy()
print(f"
col_one_list:
{col_one_list}
type:{type(col_one_list)}")
print(f"
col_one_arr:
{col_one_arr}
type:{type(col_one_arr)}")