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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 value_to_message(self, value):
 """Convert a value instance to a message. Used by serializers to convert Python user types to underlying messages for transmission. Args: value: A value of type self.type. Returns: An instance of type self.message_type. """

        if not isinstance(value, self.type):
            raise EncodeError('Expected type %s, got %s: %r' %
                              (self.type.__name__,
                               type(value).__name__,
                               value))
        return value