anaconda 安装

1. 安装： 参考博客：https://blog.csdn.net/qq_36851515/article/details/82956150

2. 更新包：   

• 更新失败：conda httperror http none none for url none Anaconda  博客：https://blog.csdn.net/weixin_40355324/article/details/81238427
• 如果时下面这种 Conda SSLError  错误：

> conda update conda
Solving environment: failed

CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://mirrors.ustc.edu.cn/anaconda/cloud/conda-forge/win-64/repodata.json>
Elapsed: -

An HTTP error occurred when trying to retrieve this URL.
HTTP errors are often intermittent, and a simple retry will get you on your way.
SSLError(MaxRetryError('HTTPSConnectionPool(host=\'mirrors.ustc.edu.cn\', port=443): Max retries exceeded with url: /anaconda/cloud/conda-forge/win-64/repodata.json (Caused by SSLError("Can\'t connect to HTTPS URL because the SSL module is not available."))'))