def _build_new_template(self, stack, parameters):
        """Constructs the parameters & contents of a new stack and returns a
        list(str) representation to be output to the user
        """
        log_lines = ["New template parameters:"]
        for param in sorted(parameters,
                            key=lambda param: param['ParameterKey']):
            log_lines.append("%s = %s" % (param['ParameterKey'],
                                          param['ParameterValue']))

        log_lines.append("\nNew template contents:")
        log_lines.append("".join(stack))
        return log_lines
Constructs the parameters & contents of a new stack and returns a
        list(str) representation to be output to the user