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, 5, ['W', 'i', 'p', 'N', '7371', '6915', 'R', 'B', 'I', 'o', '6435', 'y', '9889', '6989', '4923', '5001', '7201', 'x', 'm', 'J', '6405', '2107', '617', '6553', 's', 'z', 'z', 'r']

Answer: N7371


Question: 12, 15, ['9349', 'l', 'n', '5081', '3021', 'a', '917', '6671', 'Q', '4033', 'v', 'i', 'k', '539', '1413', 'X', '7405', 'S', 'J', '6503', '4311']

Answer: ik5391413


Question: 10, 12, ['j', 's', '157', 'v', 'j', '9269', '9043', 'z', '1135', 't', 'B', 'n', 'm', 'u', 'B', '5663', 'g', 'K', 'S', '1571', '577', 'L', '6835', '1119', '8587', 'z', '1001', '8441']

Answer:
tBn