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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:
 async def user_info(self, params=None, **kwargs):
 """Facebook required fields-param."""

        params = params or {}
        params[
            'fields'] = 'id,email,first_name,last_name,name,link,locale,' \
                        'gender,location'
        return await super(FacebookClient, self).user_info(params=params, **kwargs)