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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 _ParseEntry(self, key, val):
 """Adds an entry for a configuration setting. Args: key: The name of the setting. val: The value of the setting. """

    if key in self._repeated:
      setting = self.section.setdefault(key, [])
      setting.extend(val)
    else:
      self.section.setdefault(key, val)