instruction:
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:
2, 6, ['1617', '33', 'R', 't', 'B', '6743', '8773', 'o', 's', 'G', 'J', 'M', 'P', '291', '201', 'C']
answer:
33RtB6743


question:
8, 19, ['K', 'X', '7907', 'q', '9587', '3037', '6277', 'D', 'H', '6185', '6775', '2505', '5841', 'z', 'u', '2285', '9575', '8269', 'm', 'z', '513', '6769', '1037', 'j', '2193']
answer:
DH6185677525055841zu228595758269m


question:
4, 7, ['5735', '2731', '5079', '5427', 'k', 'g', 'K', '195', '9569', 's', 'a', 'u', 'g', 'y', '8597', '9693', '2143']
answer:

5427kgK