我想运行下GitHub上tensorflow关于Mnist数据集的训练代码，运行在Python 3.5.2的环境下，在Spyder上。 红色箭头所指行即为IPython console提示出错的行。

If you want to write Python code that takes advantage of the language's newest and most powerful features, here are four areas to explore. Although Python had its 30-year anniversary in 2021, the ...