可參看:https://www.cnblogs.com/wushaogui/p/9199726.html
1.9版官方文檔:https://networkx.github.io/documentation/networkx-1.9.1/
可參看:https://www.cnblogs.com/wushaogui/p/9199726.html
1.9版官方文檔:https://networkx.github.io/documentation/networkx-1.9.1/
class MetaCls(type): def __new__(cls, *args, **kwargs): print("in MetaCls") # return super(Meta