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Difference between sort and sorted in Python

schedule Aug 12, 2023
Last updated
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The difference between sort and sorted in Python is that while list.sort(~) permanently modifies the order of the original list, sorted(~) returns your list in a sorted order but does not actually modify the original list.

sort method

To permanently modify order of elements in animals according to reverse alphabetical order:

animals = ['cat', 'doge', 'bird']
print("Using sort: ", animals.sort(reverse=True))
print("Original list: ", animals)
Using sort: None
Original list: ['doge', 'cat', 'bird']

Notice that nothing is returned from animals.sort(reverse=True). However, the order of elements in the original list is modified.

sorted method

To return the list animals in reverse alphabetical order:

animals = ['cat', 'doge', 'bird']
print("Using sorted: ", sorted(animals, reverse=True))
print("Original list: ", animals)
Using sorted: ['doge', 'cat', 'bird']
Original list: ['cat', 'doge', 'bird']

Notice that sorted(animals, reverse=True) returns the sorted list. However, the original list is unmodified.

robocat
Published by Isshin Inada
Edited by 0 others
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