What is the difference between list [1] and list [1:] in Python? By using a : colon in the list index, you are asking for a slice, which is always another list In Python you can assign values to both an individual item in a list, and to a slice of the list
Meaning of list[-1] in Python - Stack Overflow 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
Python: list of lists - Stack Overflow The second, list(), is using the actual list type constructor to create a new list which has contents equal to the first list (I didn't use it in the first example because you were overwriting that name in your code - which is a good example of why you don't want to do that!)
What is the difference between list and list [:] in python? When reading, list is a reference to the original list, and list[:] shallow-copies the list When assigning, list (re)binds the name and list[:] slice-assigns, replacing what was previously in the list Also, don't use list as a name since it shadows the built-in
slice - How slicing in Python works - Stack Overflow 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 like it's a little faster the first way Try it yourself with timeit timeit () or preferably timeit repeat ()
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What does [:-1] mean do in python? - Stack Overflow 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
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