Python for Everybody - The Tuples Collection

Tell us what’s happening:

Python 3.6 has changed handling

the result of the following code is a traceback error

instead of answer (b), could you please tell me what has been changed in simple terms, ignoring class definition issues if possible.

>>> d['quincy']=1
>>> d['beau'] = 5
>>> d['kris']=9
>>> for (k,i) in d.items:
...     print(k, i)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: 'builtin_function_or_method' object is not iterable

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Challenge Information:

Python for Everybody - The Tuples Collection

you need to call items, note that in the code snippet in the question it is called, It will not give an error if you call it

Missing the parentheses at the end of items()