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, 14, ['C', 'q', 'W', '2791', 'F', '1515', '5613', '9647', '3541', '5889', '9193', '4029', 'd', 'q', 'P', 'A', 'Q', 'u', '1643']

CqW2791F1515561396473541588991934029dq