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: 12, 23, ['2871', 'y', '637', 'Z', 'o', '9869', '731', '7057', '2571', '711', '453', 'M', '7197', 'f', '467', 'j', 'h', '825', '1053', '9115', '3145', 'Z', '747']

M7197f467jh825105391153145Z747