1.下載安裝包
python官網下載3.7.2
Pycharm 社區版下載安裝

2.直接使用Pycharm自帶virtualEnv
File - Settings - Project - Project Interpreter - (右側的齒輪)Add - Virtualenv enviroment - New Virtualenv

說說不用Anoconda原因。
主要是Anoconda到python環境導入到Pycharm時再新增包時，提示SSL連接無法建立。
(
Collecting opencv-python==3.4.2.17
Could not fetch URL https://pypi.org/simple/opencv-python/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/opencv-python/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping
Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping
pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.
）
（原因沒有SSL模塊支持，Ubuntu下apt-get install openssl解決，但python官網的安裝包默認就有ssl）
所以，Pycharm導入python官網環境后，再新增包時，輕松pip install了。
所以如果在Pycharm下管理python環境，就可以用上述的第2點方法

轉載于:https://blog.51cto.com/cfy10/2343997

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