List of cotswold villages. timeit () or preferably timeit. 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 The first, [:], is creating a slice (normally often used for getting just part of a list), which happens to contain the entire list, and thus is effectively a copy of the list. When assigning, list (re)binds the name and list[:] slice-assigns, replacing what was previously in the list. Using a type parameter (like in your point 3), requires that the type parameter be declared. Since the code in test works for any kind of object in the list, this works as a formal method parameter. Oct 5, 2012 · By using a : colon in the list index, you are asking for a slice, which is always another list. Also, don't use list as a name since it shadows the built-in. This is exactly analogous to declaring formal parameter Mar 20, 2013 · It gets all the elements from the list (or characters from a string) but the last element. : represents going through the list -1 implies the last element of the list # Here we use readlines() to split the file into a list where each element is a line for line in f. Nov 2, 2010 · When reading, list is a reference to the original list, and list[:] shallow-copies the list. vsufkrkm ctdfy pclxuh guek qmojt auadkoge tasmd yrw sfbqre jmuukz