<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def merge_report(self, otherself):
 """ Merge another report into this one. """

        self.notices += otherself.notices
        self.warnings += otherself.warnings
        self.errors += otherself.errors