Python 3.6 版本 zip zip object at 0x0000021EBA852DC8

错误：

d = {'a':1,'b':4,'c':2}

f = zip(d.values(),d.keys())
print(f)

<zip object at 0x0000021EBA852DC8>

正确：

d = {'a':1,'b':4,'c':2}

f = list(zip(d.values(),d.keys()))
print(f)

[(1, 'a'), (4, 'b'), (2, 'c')]