For example – using a for loop to iterate the lists, add corresponding elements, and store their sum at the same index in a new list. Duplicate elements are not allowed. This time I want to sum elements of two lists in Python. There are two ways through which we can create sets in Python. 3. So, it exits from For Loop. There are 2 ways to create a set in python. In this article, we will see how to add two matrices in Python. A.update(B) to Join Two Sets in Python A.union(B) to Join Two Sets in Python reduce(operator.or_, [A, B]) to Join Two Sets in Python In this tutorial, we will introduce different methods to join two sets in Python. We then take this set1 and add … If we want to create a set, we can call the built-in set function with a … This explains, why sets unlike lists or tuples can't have multiple occurrences of the same element. A set Symmetric Difference operation applied on two different sets will result in the elements present in both the sets excluding the ones that are repeating in both the sets. In short, one of the best ways to sum elements of two lists in Python is to use a list comprehension in conjunction with the addition operator. A |= B adds all elements of set B to set A. A.update(B) method is identical to A |= B. It describes four unique ways to add the list items in Python. Below is an example of two lists being compared using the cmp() function. It also is not a very efficient method, because it involves creation of a new index and data buffer. The red part of each Venn diagram is the resulting set of a given set operation. If a>b, then value 1 is returned If a