関連ワード:  how to join 2 string in python    how to concat 2 string in python    how to merge 2 string in python    how to append 2 strings in python    how to connect 2 strings in python    how to join 2 strings together in python    how to concatenate two strings in python with space    how to concatenate two strings in python without space    how to attach two strings in python    how to join two strings in python using join