Definition: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to concatenate all elements of A from the ith element to the jth element, and print the resultant string. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
Input: 2, 8, ['C', 'e', 'X', '2767', '9479', '2761', '6145', '479', 'M', 'W', '1695', '8821', '2377', 'k', 'A', '271', '7865', 'D', '2919']

eX2767947927616145479