How do I clone a list so that it doesn't change unexpectedly after assignment?

Become part of the top 3% of the developers by applying to Toptal https://topt.al/25cXVn

--

Music by Eric Matyas
https://www.soundimage.org
Track title: Droplet of life

--

Chapters
00:00 Question
00:28 Accepted answer (Score 3951)
02:47 Answer 2 (Score 738)
05:34 Answer 3 (Score 179)
05:51 Answer 4 (Score 150)
10:00 Thank you

--

Full question
https://stackoverflow.com/questions/2612...

Accepted answer links:
[list.copy()]: https://docs.python.org/library/stdtypes...
[Alex Martelli]: https://en.wikipedia.org/wiki/Alex_Marte...
[back in 2007]: https://www.youtube.com/watch?
[list()]: https://docs.python.org/library/stdtypes...
[copy.copy()]: https://docs.python.org/library/copy.htm...
[copy.deepcopy()]: https://docs.python.org/library/copy.htm...

Answer 2 links:
[copy.deepcopy(old_list)]: http://docs.python.org/library/copy.html...
[list comprehension]: http://docs.python.org/tutorial/datastru...
[copy.copy(old_list)]: http://docs.python.org/library/copy.html...
[list slicing]: http://docs.python.org/tutorial/introduc...

Answer 3 links:
[been told]: http://mail.python.org/pipermail/python-...
[adds the ]: http://bugs.python.org/issue10516

Answer 4 links:
[deep copy of a list, in Python 2 or 3, use ]: https://docs.python.org/library/copy.htm...

--

Content licensed under CC BY-SA
https://meta.stackexchange.com/help/lice...

--

Tags
#python #list #reference #clone #passbyvalue

#avk47