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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 _parse_line(self, line):
 """ Parse line into fields. """

        fields = line.split('|', 4)  # stop splitting after fourth | found
        line_info = {'raw_message': line}
        if len(fields) == 5:
            line_info.update(dict(zip(self._fieldnames, fields)))
        return line_info