中文说明：模拟植物生长算法的分形树源程序，根据迭代次数的不同获得一株完整的植物生长图，对其具体的参数进行修改可以做一些人工智能方面的优化
English Description：
Simulation of plant growth algorithm fractal tree source program, according to the different number of iterations to obtain a complete plant growth map, its specific parameters can be modified to do some artificial intelligence optimization