cs 231 Convolutional Networks 卷积网络 Fast layers (Cython extension):
快速卷积和池化层是很有挑战性的，为了使大家不感到痛苦，cs231官网提供了cs231n/fast_layers.py文件中卷积层和池化层前向和后向传播的快速实现。快速卷积实现依赖于Cython扩展。首先要编译它，需要从cs231n目录（D:\PycharmProjects\gitCs231n-camp-fork-2018\assignment\assignment2）运行以下命令：
python setup.py build_ext --inplace运行提示报错： error: Unable to find vcvarsall.bat
running install
running build
running build_ext
.......
error: Unable to find vcvarsall.bat从网上查找相关的资料（https://www.cnblogs.com/yyds/p/7065637.html），解决此问题需安装Visual Studio 2015 （https://blog.csdn.net/FACEFRIENDS/article/details/54096815?utm_source=blogxgwz0）
def get_build_version(
