
iteration - How to loop backwards in python? - Stack Overflow
To iterate in reverse with an index (if that's what you want, and the criteria you are using to say it's better) then use range with reversed as stated in this answer; it's far simpler.
loops - Traverse a list in reverse order in Python - Stack Overflow
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 index.
python - How do I reverse a list or loop over it backwards? - Stack ...
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)?
Best way to loop over a python string backwards
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, 0-1, -1): ...
python - Loop backwards using indices - Stack Overflow
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 the …
loops - How to enumerate over a list in python backwards with index ...
Jun 13, 2021 · How to enumerate over a list in python backwards with index (From the end to the beginning) Asked 4 years, 6 months ago Modified 4 years, 6 months ago Viewed 16k times
Need to iterate over a Python list in reverse as fast as possible
Jul 14, 2012 · I'm using Python 3.2.3. What's the fastest way to iterate over a list in reverse? [::-1], reversed, list.reverse () or maybe some other way? I'm dealing with a list of about 5e6 elements or …
Iterate through a dictionary in reverse order (Python)
May 23, 2016 · I understand that when iterating through a dictionary, it will be in arbitrary order. However, I need to make sure that one particular item is accessed last, and this item happens to …
python - Moving back an iteration in a for loop - Stack Overflow
Jan 17, 2013 · In Python it's possible to set up a two-way exchange between an iterator (what comes after in in a for..in loop) and its consumer (code inside the loop). To achieve this, you can use send in …
python - How to read a file in reverse order? - Stack Overflow
How to read a file in reverse order using python? I want to read a file from last line to first line.