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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 _serialized(self):
 """Provides a sanitized & serializeable dict of the alert mainly for forward & backwards compatibility"""

        return {'title': self.title,
                'summary': self.summary,
                'areadesc': self.areadesc,
                'event': self.event,
                'samecodes': self.samecodes,
                'zonecodes': self.zonecodes,
                'expiration': self.expiration,
                'updated': self.updated,
                'effective': self.effective,
                'published': self.published,
                'severity': self.severity,
                'category': self.category,
                'urgency': self.urgency,
                'msgtype': self.msgtype,
                'link': self.link,
                }