中文说明：这段代码有5个功能基于两种遗传算法的选择功能。一个是玻尔兹曼，另一个是用于成比例。健身功能也是此文件夹中，但你应该改变它有自己的健身功能。
English Description：
This code has 5 function based on 2 kinds of selection function of GA algorithm. One is for boltzman and the other one is for proportional. fitness function also is in this folder but you should changr it to have your own fitness function.