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: 18, 27, ['3963', 'S', '1747', '9251', '1951', '3765', 'Q', '9709', '7359', 'u', '7987', 'n', 'o', 'N', 'j', 'x', 'C', 'j', 'J', 't', 'j', '9337', '7543', '9275', 'm', '7527', '955', '4529']

jJtj933775439275m7527955