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: 3, 10, ['y', 'O', '5453', '2779', '8873', 'Z', 'B', '7147', '351', 'K', '9981', '2371', '9747']

545327798873ZB7147351K