List of halal cheese in usa, timeit () or preferably timeit. 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?. Using a type parameter (like in your point 3), requires that the type parameter be declared. Nov 2, 2010 · When reading, list is a reference to the original list, and list[:] shallow-copies the list. The second, list(), is using the actual list type constructor to create a new list which has contents equal to the first list. Why is the output of the following two list comprehensions different, even though f and the lambda function are the same?. The most popular solutions here generally only flatten one "level" of the nested list. See Flatten an irregular (arbitrarily nested) list of lists for solutions that Closed 1 year ago. Also, don't use list as a name since it shadows the built-in. Since the code in test works for any kind of object in the list, this works as a formal method parameter.


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