REF: https://stackoverflow.com/questions/14627492/how-to-encode-unicode-string-into-utf-8-string-in-pythonREF: https://stackoverflow.com/questions/146274
REF: https://stackoverflow.com/questions/14627492/how-to-encode-unicode-string-into-utf-8-string-in-pythonREF: https://stackoverflow.com/questions/146274