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 to be over …

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:

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

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 inner loop, so we …

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

So you can loop over each grouped dataframe like any other dataframe. See this answer for a comprehensive ways to iterate over a dataframe. The most performant way is probably itertuples(). …

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 counter (see …

Feb 11, 2010 · I am trying to get a user to enter a number between 1 and 4. I have code to check if the number is correct but I want the code to loop around several times until the numbers is correct. Does …

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 exceptions and …