関連ワード:  use curly braces in python    using curly brackets in python    use curly braces in f string python    can you use curly braces in python    how to use curly braces in python format string    why we use curly braces in python    python use curly braces in string    do we use curly brackets in python    how to use curly brackets in python string    do sets use curly brackets in python