関連ワード:  how to get a column in python    how to extract a column in python    how to get a specific column in python    how to get rid of a column in python    how to get a column from dataframe in python    how to get sum of a column in python    how to get a column in a list python    how to get datatype of a column in python    how to get average of a column in python    how to get mean of a column in python