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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 match(self, s=''):
 """return all options that match, in the name or the description, with string `s`, case is disregarded. Example: ``cma.CMAOptions().match('verb')`` returns the verbosity options. """

        match = s.lower()
        res = {}
        for k in sorted(self):
            s = str(k) + '=\'' + str(self[k]) + '\''
            if match in s.lower():
                res[k] = self[k]
        return CMAOptions(res, unchecked=True)