関連ワード:  check if a string is only whitespace python    check if a string is just whitespace python    check if string is only spaces python    check if string is all whitespace python    check if string is all spaces python    check if a string only contains spaces python    check if string has only spaces python    which method is used to check if a string contains only whitespace characters in python  
結果 : check if a string is only whitespace python