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, 17, ['D', 'F', '2105', '4905', 'k', 'v', '9761', '2955', 'I', '817', '699', 'P', 'l', 'h', 'Z', 'P', 'L']

Answer: 4905kv97612955I817699PlhZPL


Question: 7, 17, ['9105', '7319', 'J', 'Y', 'L', '495', 'x', '9123', 'K', 'i', 'W', '4619', '9285', '1107', '1385', 'm', '7909', 'C', 'o', '6953']

Answer: x9123KiW4619928511071385m7909


Question: 15, 19, ['s', 'X', '83', 'r', '655', 'E', 'i', '9509', '7963', '9709', '7507', 'x', '2841', 'i', 'h', '773', 'y', '9095', 'I', 'E', 'f', 'f']

Answer:
h773y9095I