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: 17, 20, ['3875', '8841', 'q', 'o', 'v', '6499', 'H', '9749', '3871', 'n', '2605', 'G', '6267', '1405', '623', '6807', 'I', 'h', '8083', '7797']

Ih80837797