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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 to_map_with_default(value, default_value):
 """ Converts JSON string into map object or returns default value when conversion is not possible. :param value: the JSON string to convert. :param default_value: the default value. :return: Map object value or default when conversion is not supported. """

        result = JsonConverter.to_nullable_map(value)
        return result if result != None else default_value