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:
4, 17, ['1031', 'C', 'O', '3105', 'z', 'd', 'x', 'R', 'C', 'v', 'F', '4295', 'w', 'z', '3621', '7481', '5521', '8895', 'w', '8095', 'Q', '1719']
answer:
3105zdxRCvF4295wz362174815521


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:
2, 7, ['7783', '9413', '2035', 'r', '2103', '7539', 'v', '5729', 'q', 't', '7585', 'y', 'b', 'o', 'y', 'Z', '3473']
answer:

94132035r21037539v