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, 19, ['I', '3779', 'm', 'y', '7675', '1523', '4105', 'E', 'g', '1707', 'E', 'N', '1769', '9267', 'i', 'P', 'S', '5713', '6225', 'f', '3605', '2977']

3779my767515234105Eg1707EN17699267iPS57136225