関連ワード:  how to know type of data in python    how to check type of data in python    how to see type of data in python    how to check type of data structures in python    how to know data type of variable in python    how to know the data type of dataframe in python    how to check data type of variable in python    how to find data type of variable in python    how to find size of data type in python    how to check data type of array in python