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本文旨在手把手带领python初学者一劳永逸解决所有环境搭建、安装配置问题，并介绍几种常见的python开发工具。重点介绍python3.7.2的安装、用IDLE的交互式界面和脚本编辑界面运行python代码、用命令行界面运行python代码、pip包管理器切换国内镜像、安装第三方模块。