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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 __json_strnum_to_bignum(json_object):
 """ Converts json string numerals to native python bignums. """

        for key in ('id', 'week', 'in_reply_to_id', 'in_reply_to_account_id', 'logins', 'registrations', 'statuses'):
            if (key in json_object and isinstance(json_object[key], six.text_type)):
                try:
                    json_object[key] = int(json_object[key])
                except ValueError:
                    pass

        return json_object