正確安裝了Anaconda3，依舊出現錯誤：
'Conda' is not recognized as internal or external command
'Python' is not recognized as internal or external command
原因：
On Windows, the PATH environment variable is no longer changed by default, as this can cause trouble with other software. The recommended approach is to instead use Anaconda Navigator or the Anaconda Command Prompt (located in the Start Menu under “Anaconda”) when you wish to use Anaconda software.
新版Anaconda3，不推薦安裝時，添加環境路徑
解決方法：
我的電腦->屬性->環境變量->Path中添加安裝路徑：
\Anaconda3;
\Anaconda3\Scripts;
\Anaconda3\Library\bin
如下：
