node.child存储数据结构由list改成dict

[GDongLin]

主要修改了model.py文件，把原来child的list改成dict结构，提高计算效率。

[zoey3951]

请问除了model文件，别的还要改吗？ 为什么我只改了model运行后会出现这种报错呢？谢谢 Traceback (most recent call last): File "/Chinese_segment_augment-master/demo_run.py", line 57, in load_data_2_root(data) File "/Chinese_segment_augment-master/demo_run.py", line 38, in load_data_2_root root.add(d) File "Chinese_segment_augment-master\model.py", line 79, in add node.child[char] = new_node TypeError: list indices must be integers or slices, not str

Process finished with exit code 1