sorting with sorted using a key

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To sort the list according to length using sorted

examples/lists/sorted_key.py

animals = ['snail', 'cow', 'elephant', 'chicken']
animals_in_abc = sorted(animals)

print(animals)
print(animals_in_abc)

animals_by_length = sorted(animals, key=len)
print(animals_by_length)

['snail', 'cow', 'elephant', 'chicken']
['chicken', 'cow', 'elephant', 'snail']
['cow', 'snail', 'chicken', 'elephant']