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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 postprocess_authorKeywords(self, entry):
 """ Parse author keywords. Author keywords are usually semicolon-delimited. """


        if type(entry.authorKeywords) not in [str, unicode]:
            aK = u' '.join([unicode(k) for k in entry.authorKeywords])
        else:
            aK = entry.authorKeywords
        entry.authorKeywords = [k.strip().upper() for k in aK.split(';')]