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, 7, ['3569', 'L', '8305', '3139', '2841', '5365', '833', 'X', '3129', 'K', 'p', 'g', '9961']

L8305313928415365833