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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_text(self, country, guess=False, **kwargs):
 """Determine a two-letter country code based on an input. The input may be a country code, a country name, etc. """

        code = country.lower().strip()
        if code in self.names:
            return code
        country = countrynames.to_code(country, fuzzy=guess)
        if country is not None:
            return country.lower()