I can think of some ways to do so in python (creating a list of range(1,n+1) and reverse it, using while and --i, ...) but I wondered if there's a more elegant way to do it.

How do I iterate over a list in reverse in Python? See also: How can I get a reversed copy of a list (avoid a separate statement when chaining a method after .reverse)?

Feb 10, 2009 · How do I traverse a list in reverse order in Python? So I can start from collection[len(collection)-1] and end in collection[0]. I also want to be able to access the loop …

In Python 3, range behaves the same way as xrange does in 2.7. @hacksoi depends on the use case but let's say you're iterating backwards in a large buffer, let's say it's 10 MB, then creating …

Aug 9, 2015 · What is the best way to loop over a python string backwards? The following seems a little awkward for all the need of -1 offset: string = "trick or treat" for i in range(len(string)-1, 0 …

Sep 2, 2011 · $ python -m timeit "range(9,-1,-1)" 1000000 loops, best of 3: 0.401 usec per loop The last option is easy to remember using the range(n-1,-1,-1) notation by Val Neekman. [1] …

Jun 13, 2021 · yeah it creates the list before actually iterating it, because enumerate object is a generator so can not be reversed, in that case, a custom generator can be created. Yeah what …

There is no built in reverse method for Python's str object. How can I reverse a string?

Feb 10, 2018 · This question already has answers here: How do I reverse a list or loop over it backwards? (18 answers) How can I get a reversed copy of a list (avoid a separate statement …

b c a Since Python 3.8, the built-in function reversed() accepts dicts as well. Here's an example of how you can use it to iterate: