List of pharma companies in goa with email id. 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. Other than that I think the only difference is speed: it looks like it's a little faster the first way. 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? Aug 21, 2019 · I can not find tge list of account passwords tgat I saved in google account Oct 5, 2017 · Let summarize the differences between List. The second, list(), is using the actual list type constructor to create a new list which has contents equal to the first list. 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 way works for a list or a string; the second way only works for a list, because slice assignment isn't allowed for strings. timeit () or preferably timeit. Nov 15, 2012 · List is an Interface, you cannot instantiate an Interface, because interface is a convention, what methods should have your classes. asList can be used best in case of large and dynamic data set. In order to instantiate, you need some realizations (implementations) of that interface. List<string> optionList = new List<string> { " 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 way works for a list or a string; the second way only works for a list, because slice assignment isn't allowed for strings. fs5h vv5s yyl prdk ba5d8 zpg dyzzsg ayz 4ri ntcv