Python | sorted method
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Python's sorted(~) method returns a sorted list from the items in an iterable.
The sorted(~) method leaves the original iterable intact.
Parameters
1. iterable | iterable
The iterable to return sorted list from.
2. reverselink | Boolean | optional
If True, the sorted list is reversed (sorted in descending order). Default is False (ascending order).
3. keylink | function | optional
A function to specify the sorting criteria. The function should take a single argument and return a key to use for sorting.
Return value
Returns a new sorted list from the items in the iterable.
Examples
Basic usage
To return the list animals in ascending alphabetical order:
animals = ['cat', 'doge', 'bird']
sorted(animals)
['bird', 'cat', 'doge']
Reverse parameter
To return the list animals in descending alphabetical order:
animals = ['cat','doge','bird']
sorted(animals, reverse=True)
['doge', 'cat', 'bird']
Key parameter
To sort the list numbers according to the remainder when dividing each element by 3:
# A function that returns the remainder when dividing each element by 3def modulo_3(elem): return(elem % 3)
numbers = [5, 3, 4, 2]
# Sort numbers list using modulo_3 function as sorting keysorted(numbers, key=modulo_3)
[3, 4, 5, 2]
Note that the list is now sorted in ascending order according to the remainder when each element is divided by 3.
