List of villages in delhi, repeat (). Why is the output of the following two list comprehensions different, even though f and the lambda function are the same? I have a piece of code here that is supposed to return the least common element in a list of elements, ordered by commonality: def getSingle(arr): from collections import Counter c = Counte Oct 5, 2012 · By using a : colon in the list index, you are asking for a slice, which is always another list. The notation List<?> means "a list of something (but I'm not saying what)". Other than that I think the only difference is speed: it looks like it's a little faster the first way. Why is the output of the following two list comprehensions different, even though f and the lambda function are the same?. I have a piece of code here that is supposed to return the least common element in a list of elements, ordered by commonality: def getSingle(arr): from collections import Counter c = Counte Oct 5, 2012 · By using a : colon in the list index, you are asking for a slice, which is always another list. See Flatten an irregular (arbitrarily nested) list of lists for solutions that Closed 1 year ago. : represents going through the list -1 implies the last element of the list Official Google Search Help Center where you can find tips and tutorials on using Google Search and other answers to frequently asked questions. The most popular solutions here generally only flatten one "level" of the nested list. 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 from a list comprehension instead of a nested list?.


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