Print a string as hex bytes?

Your can transform your string to a int generator, apply hex formatting for each element and intercalate with separator:

>>> s = "Hello world !!"
>>> ":".join("{:02x}".format(ord(c)) for c in s)
'48:65:6c:6c:6f:20:77:6f:72:6c:64:20:21:21

':'.join(x.encode('hex') for x in 'Hello World!')

For Python 2.x:

':'.join(x.encode('hex') for x in 'Hello World!')

The code above will not work with Python 3.x, for 3.x, the code below will work:

':'.join(hex(ord(x))[2:] for x in 'Hello World!')

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