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: 7, 12, ['c', '2595', 'U', 'W', 'q', 'I', '2943', '1617', 'D', '8881', '3655', 'x', '3183', '2163', '2105', '8563', '1831', 'K']

29431617D88813655x