WARNING: You are using pip version 22.0.4; however, version 22.2.2 is available.
You should consider upgrading via the 'C:\code\python\python.exe -m pip install --upgrade pip' command.

通过python自带的pip工具来安装常用的库时，会遇到像这样的提示，这是提示pip升级。

我们可以这样来做：

在窗口中输入以下命令：

        python -m pip install --upgrade pip

然后回车就可以看到下面的信息：

 这样就更新完成了

 Successfully uninstalled pip-22.0.4
 Successfully installed pip-22.2.2