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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 clean_meta(self, meta):
 """Removes unwanted metadata Parameters meta : dict Notebook metadata. """

        if not self.verbose_metadata:
            default_kernel_name = (self.default_kernel_name or
                                   self._km.kernel_name)

            if (meta.get("kernelspec", {})
                    .get("name", None) == default_kernel_name):
                del meta["kernelspec"]
                meta.pop("language_info", None)

        return meta