[Swift] Array의 Sum 구하기

Given an array of integers, find the sum of its elements.For example, if the array , , so return .Function DescriptionComplete the simpleArraySum function in the editor below. It must return the sum of the array elements as an integer.simpleArraySum has the following parameter(s):ar: an array of integersInput FormatThe first line contains an integer, , denoting the size of the array. The second ..