関連ワード:  how to convert a variable in python    how to change a variable in python    how to convert a variable to string in python    how to convert a variable to int in python    how to convert a variable to float in python    how to convert a variable to uppercase in python    how to convert a variable to lowercase in python    how to convert a variable to list in python    how to convert a variable to bytes in python    how to convert a variable to dataframe in python