python常见函数和语法问题

sorted函数：https://www.runoob.com/python/python-func-sorted.html

dict以及dict排序、迭代器问题：https://www.runoob.com/python/att-dictionary-get.html  https://blog.csdn.net/qq_32126633/article/details/78359767

numpy中sum得问题：https://blog.csdn.net/leekingsen/article/details/76242244

numpy中argsort得问题：https://blog.csdn.net/maoersong/article/details/21875705

numpy中tile得问题：https://blog.csdn.net/qq_39072607/article/details/89364254?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase