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.
--------
Question: 6, 15, ['2129', 'm', 'W', '4213', '7813', 'k', 'w', '5781', 'I', 'V', '3351', 'H', 'x', 'b', 'n', 't', 'F', 'z', '9747']

Answer: kw5781IV3351Hxbn


Question: 8, 13, ['5227', '2377', '4493', '5233', '5659', '1439', '7585', '6717', '363', 'R', 'y', 'L', 'O', '4373', '1923', 'R', '2941', '5855', 'V', 'c', 'h', 'a', '7661']

Answer: 6717363RyLO


Question: 12, 20, ['e', '103', '5289', 'u', 'J', 'Z', 'n', '3135', '9139', '3517', '8931', 'd', '3055', 'T', 'l', '7499', '4177', 'n', '7127', 'v', 'd', 'Z', '6119', 'S', 'Y', 'w', 's', '9765', '2861', 'P']

Answer:
d3055Tl74994177n7127v