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: 1, 4, ['E', '1641', '4621', 'M', '69', '5651', 'P', '1713', 'X', 'b', '5779', '3459', '5857', '631', 'r', 'a', '1133', 'o', 'W', 's', '1269']

E16414621M