1. 从官网 python.org 下载 Python 并安装。如果安装遇到问题，可来交流群讨论。2. 用 pip 安装 pygame 模块pip install pygame3. 编写代码，在窗口里显示一张飞机图片import ...

The cost of installing a central air conditioning system varies widely depending on your home’s size, the type and efficiency of the unit, and whether ductwork is already in place. Some or all of the ...