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, 10, ['797', '3255', '9039', '5843', '5427', 'l', 'n', 'T', '1255', '7503', 'x', '4779', 'O', '5811', 'G', '921', 'N', '3629', '2055', '1097', 'd', '521']

3255903958435427lnT12557503