GH avatar Bite 135. Sort a list of book objects

In this Bite you are going to look at a list of Book namedtuples and sort them by various criteria. Complete the 4 functions below. Consider using lambda and/or one or more helper functions and/or attrgetter (operator module). Good luck and have fun!

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Resolution time: ~34 min. (avg. submissions of 5-240 min.)
Pythonistas rate this Bite 2.33 on a 1-10 difficulty scale.
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We use Python 3.7