#Python相关
##更换Anaconda镜像源 打开Anaconda Prompt，输入清华的仓库镜像，更新包更快：
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/
conda config --set show_channel_urls yes
推荐第一行命令输入两次，以便把这个镜像地址放在首位。
##Windows安装了Anaconda3后，安装Python2.7的方法 打开cmd，输入：
conda create -n py2 python=2.7
激活此环境，输入：
activate py2
反之，输入：
deactivate py2
##利用Anaconda安装TensorFlow TensorFlow官网教程 打开Anaconda Prompt，输入：
conda create -n tensorflow python=3.5
安装完以后，输入：
activate tensorflow
Issue the appropriate command to install TensorFlow inside your conda environment. To install the CPU-only version of TensorFlow, enter the following command:
(tensorflow)C:> pip install --ignore-installed --upgrade tensorflow
To install the GPU version of TensorFlow, enter the following command (on a single line):
(tensorflow)C:> pip install --ignore-installed --upgrade tensorflow-gpu