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list of secondaryschools in milton keynes represents a topic that has garnered significant attention and interest. What's the difference between [] and {} vs list() and dict()?. I understand that they are both essentially the same thing. But in terms of creating an empty list or dict, are there any differences?

In this context, 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... 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 (). Additionally, array – when to use? From another angle, the list is the part of python's syntax so it doesn't need to be declared whereas you have to declare the array before using it. You can store values of different data-types in a list (heterogeneous), whereas in Array you can only store values of only the same data-type (homogeneous). Similarly, how to group dataframe rows into list in pandas groupby.

Given a dataframe, I want to groupby the first column and get second column as lists in rows, so that a dataframe like: a b A 1 A 2 B 5 B 5 B 4 C 6 becomes A [1,2] B [5,5,4] C [6] How do I do this? What is the syntax to insert one list into another list in python?. Building on this, [duplicate] Asked 15 years, 2 months ago Modified 6 years, 5 months ago Viewed 351k times python - Access item in a list of lists - Stack Overflow. You can access the elements in a list-of-lists by first specifying which list you're interested in and then specifying which element of that list you want.

For example, 17 is element 2 in list 0, which is list1[0][2]: 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. Equally important, how to cast List<Object> to List<MyClass> - Stack Overflow. (List<Customer>)(Object)list; you must be sure that at runtime the list contains nothing but Customer objects. Critics say that such casting indicates something wrong with your code; you should be able to tweak your type declarations to avoid it.

But Java generics is too complicated, and it is not perfect. Sometimes you just don't know if there is a pretty solution to satisfy the compiler ... Where can I find my list of saved passwords in google. Another key aspect involves, i can not find tge list of account passwords tgat I saved in google account