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, 15, ['k', '2301', 'q', 'E', 'u', 'J', 'W', 'p', 'd', '8749', 'f', '9149', 'd', 'f', '3499', 'z', '77', '5409', '8685']

pd8749f9149df3499