Ambiguous python quiz

Question

I was trying to answer this python quiz
d = {10: "x", 1:"wx", 2:"yz"}
a = d.setdefault(1)
b = d.setdefault(3)
s = '{}'*len(d)
print(s.format(*d))

The answer is 10132. But it depends on the ordering of inserted key in the dictionary. According to the following stack overflow answer the order of insertion of a key in an unordered dictionary is implementation dependent.

what's your thoughts?
https://stackoverflow.com/questions/5629023/key-order-in-python-dictionaries

Answer 1

I agree with you. The answer is questionnable as dictionary elements have no guaranteed order.