<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def is_faulty(self, event):
 """ returns a boolean if fault processing is handled for this event """

        for each in self._faults:
            if each.name.upper() == event.name.upper():
                return True
        return False