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: 4, 8, ['G', 'w', 'i', 'j', 'c', '9771', 'W', '6791', '6901', 'g', '795', '8321', '8575', 'x', 'W', '5213']

jc9771W6791