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: 4, 8, ['R', 'D', 'x', 't', '6721', 'w', 'V', 'v', '6427', 'L', '2487', 'W', '7339', '9515', 'a', 'I', 'E', '3897', '4869']

Answer: t6721wVv


Question: 13, 19, ['1499', '7609', '4801', '471', 'S', 'H', '129', '5753', '9835', 'w', 'O', '661', 'Z', 'N', 'x', 'x', 'M', '9035', '2179', 'I', '973', '2107', '4863', 'X', '1217', '2179']

Answer: ZNxxM90352179


Question: 13, 15, ['e', '7179', 'W', 'k', '9187', 'l', 'w', '4171', '4091', 'C', '8441', 'P', 'b', '6177', '9279', 'L']

Answer:
b61779279