[issue45265] Bug in append() method in order to appending a temporary list to a empty list using for loop

[Nima]

New submission from Nima :

I want to make an list consist on subsequences of another list,
for example:
--
input: array = [4, 1, 8, 2]
output that i expect: [[4], [4,1], [4, 1, 8], [4, 1, 8, 2]]
--
but output is: [[4, 1, 8, 2], [4, 1, 8, 2], [4, 1, 8, 2],  [4, 1, 8, 2]]
--
my code is:

num = [4, 1, 8, 2]
temp = []
sub = []
for item in num:
temp.append(item)
sub.append(temp)
--
i think it's a bug because, append() must add an item to the end of the list, 
but here every time it add the temp to the sub it changes the previous item as 
well, so if it's not a bug please help me to write the correct code.

--
components: Windows
messages: 402458
nosy: nima_fl, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: Bug in append() method in order to appending a temporary list to a empty 
list using for loop
type: behavior

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[issue41228] Fix the typo in the description of calendar.monthcalendar(year, month)

[Nima Dini]

Change by Nima Dini :


--
assignee: docs@python
components: Documentation
nosy: docs@python, ndini
priority: normal
pull_requests: 20516
severity: normal
status: open
title: Fix the typo in the description of calendar.monthcalendar(year, month)
type: enhancement
versions: Python 3.10

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[issue41228] Fix the typo in the description of calendar.monthcalendar(year, month)

[Nima Dini]

New submission from Nima Dini :

https://docs.python.org/3.10/library/calendar.html#calendar.monthcalendar

> days outside of the month a represented by zeros.

"a" needs to be changed to "are"

--

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