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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 _process_file(self, path):
 """Parse and submit the metrics from a file """

        try:
            f = open(path)
            for line in f:
                self._process_line(line)

            os.remove(path)
        except IOError as ex:
            self.log.error("Could not open file `{path}': {error}".format(
                path=path, error=ex.strerror))