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: 5, 10, ['W', '4473', 'i', 'S', 'v', 'q', '2615', 'd', '2499', '1969', '811', '1573', 'S']

vq2615d24991969