Apr 11, 2011 · Agree with @Bogdan. This answer creates a string in which the list elements are joined together with no whitespace or comma in between. You can use ', '.join(list1) to join the …

The first way works for a list or a string; the second way only works for a list, because slice assignment isn't allowed for strings. Other than that I think the only difference is speed: it looks …

Since a list comprehension creates a list, it shouldn't be used if creating a list is not the goal; it shouldn't be used simply to write a one-line for-loop; so refrain from writing [print(x) for x in …

Mar 11, 2015 · To print specific file present in the folders/sub-folders for eg : If you want to list just the csv files then : dir /b/s/A-D/o:gn *.csv >list.txt If you want to also include .xlsx files then the …

Sep 20, 2010 · List slicing is quite flexible as it allows to replace a range of entries in a list with a range of ...

Jan 12, 2009 · Using e.g. List<Point> list, it would be necessary to instead say Point temp=list[3]; temp.x+=q; list[3]=temp;. It would be helpful if List<T> had a method Update<TP>(int index, …

Apr 4, 2009 · For one-level flatten, if you care about speed, this is faster than any of the previous answers under all conditions I tried.

Jul 15, 2022 · Sometimes it's easier to just have 2 lists that are not linked as lookup columns. I'd remove them personally and use it as follows.

Jan 27, 2012 · If you skip the end index, like in your question, it would take elements from the start index (x), pick every yth element until it reaches the end of the list if y is positive and …

joined_list = [item for list_ in [list_one, list_two] for item in list_] It has all the advantages of the newest approach of using Additional Unpacking Generalizations - i.e. you can concatenate an …