脚本自动安装python和pip，代码如下：
@echo off
setlocal EnableDelayedExpansion
set INSTALLER_PATH=%~dp0
set PYTHON_VERSION=3.9.5
set PYTHON_URL=https://www.python.org/ftp/python/%PYTHON_VERSION%/python-%PYTHON_VERSION%-amd64.exe
set PYTHON_FILE=python-%PYTHON_VERSION%-amd64.exe
set PIP_VERSION=21.1.2
set PIP_URL=https://bootstrap.pypa.io/get-pip.py
echo Installing Python %PYTHON_VERSION%...
curl -s -L -o %INSTALLER_PATH%%PYTHON_FILE% %PYTHON_URL% %INSTALLER_PATH%%PYTHON_FILE% /quiet InstallAllUsers=1 PrependPath=1 Include_test=0
del %INSTALLER_PATH%%PYTHON_FILE%
echo Installing pip...
curl -s -L -o %INSTALLER_PATH%get-pip.py %PIP_URL%
python %INSTALLER_PATH%get-pip.py
del %INSTALLER_PATH%get-pip.py
echo Installation complete.
pause