[issue46783] Add a new feature to enumerate(iterable, start=0) built-in function

[Raymond Hettinger]

Raymond Hettinger  added the comment:

Thank you for the suggestion, but we will decline.  We looked at this before 
and decided not to go down this path, preferring instead to the keep the 
builtin function simple and focused on its core task of enumeration.

To cover the rarer cases, it is a simple matter to fulfill the need with fast, 
clear code using itertools:

>>> from itertools import count
>>> names = ['eddard', 'catelyn', 'robb', 'sansa', 'arya', 'bram', 'rickon']
>>> for i, name in zip(count(start=7, step=-1), names):
print(i, name)

7 eddard
6 catelyn
5 robb
4 sansa
3 arya
2 bram
1 rickon

--
assignee:  -> rhettinger
nosy: +rhettinger
resolution:  -> rejected
stage:  -> resolved
status: open -> closed

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[issue46783] Add a new feature to enumerate(iterable, start=0) built-in function

[Zachary Ware]

Change by Zachary Ware :


--
assignee: docs@python -> 
components: +Library (Lib) -Build, Demos and Tools, Documentation, Interpreter 
Core
nosy:  -docs@python, lys.nikolaou
versions:  -Python 3.10, Python 3.7, Python 3.8, Python 3.9

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[issue46783] Add a new feature to enumerate(iterable, start=0) built-in function

[Larry Hastings]

Change by Larry Hastings :


--
components:  -Argument Clinic
nosy:  -larry

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[issue46783] Add a new feature to enumerate(iterable, start=0) built-in function

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

This has nothing to do with the parser so I'm removing the label. Please, next 
time make sure you select the appropriate categories when opening an issue

--
components:  -Parser

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[issue46783] Add a new feature to enumerate(iterable, start=0) built-in function

[Hossein]

New submission from Hossein :

Hi everyone. I have an idea which is add a new feature to enumerate(iterable, 
start=0) built-in function. I mean, "start" is ascending by default, we can add 
a feature to this function to change start in descending order.
for example:
enumerate(iterable, start=100, reverse=True)
reverse: If True, the start is reversed.
(100, iterable[0]), (99, iterable[1],), and so on.

--
assignee: docs@python
components: Argument Clinic, Build, Demos and Tools, Documentation, Interpreter 
Core, Parser
messages: 413428
nosy: HosseinRanjbari, docs@python, larry, lys.nikolaou, pablogsal
priority: normal
severity: normal
status: open
title: Add a new feature to enumerate(iterable, start=0) built-in function
type: enhancement
versions: Python 3.10, Python 3.11, Python 3.7, Python 3.8, Python 3.9

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