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, 6, ['9171', 'u', 'o', 'K', '2105', 'L', 'H', 'o', '8389', 'E', 'd', '3843', '7241']

2105L