関連ワード:  python name error is not defined    python nameerror name is not defined    python nameerror name is not defined function    python nameerror name is not defined class    python function name error is not defined    python nameerror name exit is not defined    python nameerror name '__ file __' is not defined    python nameerror name null is not defined    python nameerror name self is not defined    python nameerror name list is not defined