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: 1, 15, ['y', '9483', 'l', 'Q', '3177', '1849', '7749', '765', '343', '6359', '4995', '3191', 'E', 'X', '6423', 'j', 'p']

y9483lQ317718497749765343635949953191EX6423