Mar 16, 2017 · If you want to loop over a dictionary and modify it in iteration (perhaps add/delete a key), in Python 2, it was possible by looping over my_dict.keys(). In Python 3, the iteration has …

1366 Using a for loop, how do I access the loop index, from 1 to 5 in this case? Use enumerate to get the index with the element as you iterate:

for b in range(..): if some condition: # break the inner loop break else: # will be called if the previous loop did not end with a `break` continue # but here we end up right after breaking the …

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 …

Oct 20, 2011 · I believe the most simple and efficient way to loop through DataFrames is using numpy and numba. In that case, looping can be approximately as fast as vectorized …

Sep 24, 2023 · I have a loop going, but there is the possibility for exceptions to be raised inside the loop. This of course would stop my program all together. To prevent that, I catch the …

Get loop count inside a for-loop [duplicate] Asked 15 years, 5 months ago Modified 3 years, 7 months ago Viewed 654k times

Building on the answer by @unutbu, I have compared the iteration performance of two identical lists when using Python 3.6's zip() functions, Python's enumerate() function, using a manual …

Is it possible to get an infinite loop in for loop? My guess is that there can be an infinite for loop in Python. I'd like to know this for future references.

How to loop backwards in python? [duplicate] Asked 15 years, 4 months ago Modified 7 years, 3 months ago Viewed 777k times