On 01/28/10 17:22, Muhammad Ali wrote: > Hi, > > I am multipliying two lists so that each of list As elements get multiplied > to the corresponding list Bs. Then I am summing the product. > > For example, A= [1, 2, 3] and B=[2, 2, 2] so that I get [2, 4, 6] after > multiplication and then sum it to get 12. I can do it using map like this: > > sum(map(lambda i,j:i*j, A, B)) > > But map is being dropped out in python 3? or has it already been dropped? > And I have heard Guido say that list comprehension do a better job than map > so how would we do this with list comps?
No, `map` will not be dropped in the foreseeable future. `lambda`, `map`, `filter`, and `reduce` will stay; but `reduce` will be moved into functools module (from previously a built-in function). http://www.artima.com/weblogs/viewpost.jsp?thread=98196 _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
