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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 options(self, section):
 """Return a list of option names for the given section name."""

        try:
            opts = self._sections[section].copy()
        except KeyError:
            raise from_none(NoSectionError(section))
        opts.update(self._defaults)
        return list(opts.keys())