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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 register_id(self, id_string):
 """Register a manually assigned id as used, to avoid collisions. """

        try:
            prefix, count = id_string.rsplit("_", 1)
            count = int(count)
        except ValueError:
            # We don't need to worry about ids that don't match our pattern
            pass
        else:
            if prefix == self.prefix:
                self.counter = max(count, self.counter)