anaconda使用pip提示ssl错误：推荐：
pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. Could not fetch URL https:*******: There was a problem confirming the ssl certificate: Can’t connect to HTTPS URL because the SSL module is not available. - skipping
如果提示SSL错误，而且是Anaconda3底下的python，这时应该添加环境变量添加到path里面
C:\Users\57296\Anaconda3\pkgs\openssl-1.1.1a-he774522_0\Library\bin
如果先装Anaconda3再装python3那么在cmd里面输入python也会提醒错误，因为没有添加环境变量
而且pip也是也是一样的
C:\Users\57296\Anaconda3 python的环境变量
C:\Users\57296\Anaconda3\Scripts pip的都需要添加到path里面
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