関連ワード:  what are true and false in python    what are true and false called in python    what does true and false mean in python    what does true and false do in python    what is value of true and false in python    what is the result of true and false in python    what is the output of true and false in python    what does true and false evaluate to in python    what is return true and return false in python    true and false in python gives