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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_WC(self, entry):
 """ Parse WC keywords. Subject keywords are usually semicolon-delimited. """


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