python实现爬虫

一段简单的knn代码，对于刚学习机器学习的人来说可以加深理解，熟悉原理后再练习代码(Knn a simple piece of code, just learning machine learning for people who can deepen understanding and familiar with the principles of the code and then practice)

利用python语言构建三维的热力图模型，输入数据可以直接计算导出3D热力图(Using Python language to build three-dimensional thermodynamic chart model, input data can directly calculate the 3D thermal diagram.)

说明：  在线即使通信 登陆模块 添加好友模块 私聊模块 群聊模块(On-line even communication Landing module Add Friends Module Private chat module Group chat module)

梯度下降求解逻辑回归，唐虞帝程序，有代码(Gradient descent for logistic regression)

基于迪杰斯特拉算法的最短路径规划，基于python平台实现(Shortest path planning based on Dijkstra algorithm and implemented on Python platform)

Intro to Game Design, Pygame范例(Pygame Sample Codes)

clear case 的操作，如check in check out (clear case handle client check in check out )

说明：  shows test signal TestDAC1 on pin AUX1 and TestDAC2 on pin AUX2 when the TestDAC1Reg register is programmed with a slope defined by values 00h to 3Fh and the TestDAC2Reg register is programmed with a rectangular signal defined by values 00h and 3Fh.

说明：  Python脚本。模拟登录知乎， 爬虫，操作excel，微信公众号，远程开机(Python script. Simulated login, crawler, excel, Wechat public number, remote boot)

kaggle--入门题，房价预测，常用机器学习算法。(Kaggle entry questions, house price forecasts.)