Apr 11, 2011 · How can I convert a list to a string using Python?

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 …

Dec 3, 2016 · If your list of lists comes from a nested list comprehension, the problem can be solved more simply/directly by fixing the comprehension; please see How can I get a flat result …

Nov 1, 2011 · How can I check if a list has any duplicates and return a new list without duplicates?

Mar 11, 2015 · I tried searching for a command that could list all the file in a directory as well as subfolders using a command prompt command. I have read the help for "dir" command but …

Jan 12, 2009 · A List uses an internal array to handle its data, and automatically resizes the array when adding more elements to the List than its current capacity, which makes it more easy to …

Apr 4, 2009 · Is the a short syntax for joining a list of lists into a single list ( or iterator) in python? For example I have a list as follows and I want to iterate over a,b and c.

Jan 27, 2012 · It slices x[startAt:endBefore:skip] if you use skip = 2, every other element the list beginning at startAt and ending at endBefore will be selected. [Remember: indices live …

Jul 26, 2010 · I have an amazon s3 bucket that has tens of thousands of filenames in it. What's the easiest way to get a text file that lists all the filenames in the bucket?

Using array instead of Generic List typically has positive impact on the performance and should be recommended wherever performance matters; aforementioned expression for the array …