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In Python 2 these all worked:
>>> "hello".encode("hex")
'68656c6c6f'
>>> b"hello".encode("hex")
'68656c6c6f'
>>> u"hello".encode("hex")
'68656c6c6f'
But in Python 3:
>>> "hello".encode("hex")
LookupError: 'hex' is not a text encoding; use codecs.encode() to handle arbitrary codecs
How to convert string to hex in Python 3?
The
hexcodec has been chucked in 3.x. Usebinasciiinstead: