VSCode中python虛擬環境

參考：https://blog.csdn.net/pans0/article/details/83066509
      https://blog.csdn.net/moshanghuakai_pang/article/details/86663548
      https://www.cnblogs.com/283383765pw/p/10669572.html
      https://segmentfault.com/a/1190000018144462
      https://segmentfault.com/a/1190000018156456
      https://blog.csdn.net/hufei_neo/article/details/94555524

1、在文件夾下Shift+鼠標右鍵，在快捷菜單中單擊“在此處打開命令行窗口”

2、運行 

python -m venv env
或者
virtualenv venv

3、在虛擬環境下安裝pandas

終端進入：E:\study\python\python_Pandas\env\Scripts>

終端下運行：activate.bat

終端下運行：pip install pandas