python 字典items和iteritems

3.4.6 items和iteritems

1. 說明：items以列表方式返回字典中的鍵值對，iteritems以迭代器對象 返回鍵值對兒(Python3中不再支持）；
2. 例子：

    1:  >>> x
   
    2: {'name': 'Bill'}  3: >>> x.items()  4: dict_items([('name', 'Bill')])  5:  6: #python3中不再包含iteritems  7: >>> x.iteritems()  8: Traceback (most recent call last):  9: File "<pyshell#66>", line 1, in <module> 10: x.iteritems() 11: AttributeError: 'dict' object has no attribute 'iteritems' 12: