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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 _get_wrapper_args(routine):
 """ Returns code for the parameters of the wrapper method for the stored routine. :param dict[str,*] routine: The routine metadata. :rtype: str """

        ret = ''

        for parameter_info in routine['parameters']:
            if ret:
                ret += ', '

            ret += parameter_info['name']

        return ret