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: 2, 15, ['C', 'Q', '8921', '6023', '625', 'T', 'M', 'n', 'Z', '9819', '2361', 'E', 'l', 'E', 'I', '5099', 'i', 'O', 'w', '5517', '2973', 'o', '9949', 'I']

Q89216023625TMnZ98192361ElEI