関連ワード:  global name is not defined python function    global name is not defined python    global name is not defined python recursion    nameerror name is not defined python    nameerror name is not defined python 3    nameerror name is not defined python class    nameerror name is not defined python function    global name false is not defined python    global name 'true' is not defined python    nameerror name null is not defined python