我怎么去检验是否安装成功
打开cmd,输入python
要是输出了
Python 3.9.1 (tags/v3.9.1:1e5d33e, Dec 7 2020, 17:08:21) [MSC v.1927 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
还有>>>在闪就说明安装成功了
也可以输入python -V