用python编的打外星人游戏

如果您是第一次提交源代码，请先参考提交的代码；

说明：  本代码包含人脸灰度处理、人脸检测以及视频中的动态人脸检测的代码以及文件。(This code contains codes and files for face grayscale processing, face detection, and dynamic face detection in videos.)

django开发网站示例，自动答题系统，根据题目答题(echarts-china-cities-js)

【实例简介】

说明：  tcp/ip 学习了解传输协议，底层传输原理，(TCP / IP learn to understand the transmission protocol, underlying transmission principles,)

说明：  对房价进行预测，用的是python语言，主要技术是xgboost(use xgboost predict house price)

模拟岛上的生态系统，有陆地生物和鸟类，但是不包含地底生物。 (Predator-Prey Simulation four classes are defined: animal, predator, prey, and island where island is where the simulation is taking place, i.e. where the predator and prey interact (live). A list of predators and prey are instantiated, and then their breeding, eating, and dying are simulted.)

The Python 3 Standard Library by Example

革新计算机技术、人工智能、语音和数据分析的下一代技术(Next generation techniques to revolutionize computer vision, AI, speech and data analysis)

课本机器学习课后作业代码，用的python3写的