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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 getbug(self, objid, include_fields=None, exclude_fields=None, extra_fields=None):
 """ Return a Bug object with the full complement of bug data already loaded. """

        data = self._getbug(objid,
            include_fields=include_fields, exclude_fields=exclude_fields,
            extra_fields=extra_fields)
        return Bug(self, dict=data, autorefresh=self.bug_autorefresh)