python字節和字符串互轉

#byte 字符串
bstr = b"byte example"

# str 字符串
sstr = "str example"

# str to bytes 字符串轉字節
bytes(sstr, encoding="utf-8")

# bytes to str  字節轉字符串
str(bstr, encoding="utf-8")

# an alternative method
# str to bytes  字符串轉爲字節
sstr.encode()

# bytes to str  字節轉爲字符串
bstr.decode()