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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 read_bplist(data, start, length):
 """Extract a binary plist from a position in a sequence."""

    # TODO: pylint doesn't find FMT_BINARY, why?
    # pylint: disable=no-member
    return plistlib.loads(data[start:start+length],
                          fmt=plistlib.FMT_BINARY)