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: 8, 27, ['L', 'm', '2291', 'o', '8393', '5079', 'm', 'f', 'U', 'o', '2833', '5399', 'U', '9227', 'H', 'F', '2977', '9667', 'Z', 'D', '6859', 'Y', 'T', 'K', 'W', '639', '5143']

fUo28335399U9227HF29779667ZD6859YTKW6395143