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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 BinarySigmoid(self, func):
        '''
        Currently, caffe2 does not support this function.
        '''
        n = onnx.helper.make_node(
            'HardSigmoid',
            func.input,
            func.output,
            alpha=1.0,
            beta=0.0
        )
        return [n]