If it is a string, you must also give the encoding (and optionally, errors) parameters; bytearray() then converts the string to bytes using str. ... <看更多>

bytes('hello', encoding='utf-8'). To convert bytes back to Unicode string, you can use two methods: b'\xe4\xbd\xa0\xe5\ ... ... <看更多>

When working with a byte string in Python, you prefix your literals with b . >>> b'Hello' 'Hello'. The ord function call is used to convert ... ... <看更多>