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how to sort a list with none value

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peamdev answered on September 16, 2022 Popularity 2/10 Helpfulness 1/10

answer how to sort a list with none value

related sorting list returns none python

related python sort() returns none

how to sort a list with none value

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>>> xs = [None, 1, 3, None, 2]

>>> sorted(xs, key=lambda x: (x is None, x))
[1, 2, 3, None, None]

>>> sorted(xs, key=lambda x: (x is not None, x))
[None, None, 1, 2, 3]

>>> sorted(xs, key=lambda x: (x is None, x), reverse=True)
[None, None, 3, 2, 1]

>>> sorted(xs, key=lambda x: (x is not None, x), reverse=True)
[3, 2, 1, None, None]

Popularity 2/10 Helpfulness 1/10 Language python

Source: stackoverflow.com

Tags: list python

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Contributed on Feb 22 2024

peamdev

0 Answers Avg Quality 2/10

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sorting list returns none python

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# The problem is here:
answer = newList.sort()
# sort does not return the sorted list; rather, it sorts the list in place.

#Use:
answer = sorted(newList)

Popularity 9/10 Helpfulness 5/10 Language python

Source: stackoverflow.com

Tags: list sorting python sortin

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Contributed on Oct 29 2022

The Guy Who Reads The Docs

0 Answers Avg Quality 2/10

python sort() returns none

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# list.sort sorts the list in place, i.e. it doesn't return a new list. Just write
newList.sort()
return newList

Popularity 9/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: python py

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Contributed on Sep 16 2022

Tiago Bordin

0 Answers Avg Quality 2/10

how to sort a list with none value

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sorting list returns none python

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