def get_example_layer_pairs_resnet50_for_folding(model):
    """
    Function to pick example conv-batchnorm layer pairs for folding.
    :param model: Keras model containing conv batchnorm pairs to fold
    :return: pairs of conv and batchnorm layers for batch norm folding in Resnet50 model.
    """

    conv_op_1 = model.layers[2]
    bn_op_1 = model.layers[3]

    conv_op_2 = model.layers[7]
    bn_op_2 = model.layers[8]

    conv_op_3 = model.layers[10]
    bn_op_3 = model.layers[11]

    # make a layer pair list with potential the conv op and bn_op pair along with a flag
    # to indicate if given bn op can be folded upstream or downstream.
    # example of two pairs of conv and bn op  shown below
    layer_pairs = [(conv_op_1, bn_op_1, True),
                   (conv_op_2, bn_op_2, True),
                   (conv_op_3, bn_op_3, True)]

    return layer_pairs