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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 _add_modifiers(self, sql, blueprint, column):
 """ Add the column modifiers to the deifinition """

        for modifier in self._modifiers:
            method = '_modify_%s' % modifier

            if hasattr(self, method):
                sql += getattr(self, method)(blueprint, column)

        return sql