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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_data_peek(data, base = 0, separator = ' ', width = 16, bits = None):
 """ Dump data from pointers guessed within the given binary data. @type data: str @param data: Dictionary mapping offsets to the data they point to. @type base: int @param base: Base offset. @type bits: int @param bits: (Optional) Number of bits of the target architecture. The default is platform dependent. See: L{HexDump.address_size} @rtype: str @return: Text suitable for logging. """

        if data is None:
            return ''
        pointers = compat.keys(data)
        pointers.sort()
        result = ''
        for offset in pointers:
            dumped  = HexDump.hexline(data[offset], separator, width)
            address = HexDump.address(base + offset, bits)
            result += '%s -> %s\n' % (address, dumped)
        return result