To get b'key' and 'key' in a dictionary in python 3 you really need to try hard. The only reasonable scenario I can think of is when you are porting python 2 c

To get b'key' and 'key' in a dictionary in python 3 you really need to try hard. The only reasonable scenario I can think of is when you are porting python 2 code to python 3 and play with .decode() and .encode().