ann = Sequential() # 创建一个序贯ANN模型
ann.add(Dense(units=12, input_dim=11, activation = 'relu')) # 添加输入层
ann.add(Dense(units=24, activation = 'relu')) # 添加隐层
ann.add(Dense(units=1, activation = 'sigmoid')) # 添加输出层
ann.summary() # 显示网络模型(这个语句不是必需的)