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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def dump(src):
 """ Returns data in hex format in groups of 4 octets delimited by spaces for debugging purposes. """

    return b' '.join(binascii.hexlify(bytes(x)) for x in zip(src[::4], src[1::4], src[2::4], src[3::4]))