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:
9, 9, ['T', 'D', '4993', '1869', '4395', '4711', 'w', 'G', '8185', '4061', 'F', '5425', '3853', 'r', '213']
answer:
8185


question:
6, 20, ['4769', '8075', 'N', '125', '5439', 'R', '4201', 'j', 'z', 'x', '3169', 'd', '1561', '7995', 'F', 'T', 'F', 'v', 'Z', '9517', 'e', 'I', '7765', 'o', '4659', 'N', '3963']
answer:
R4201jzx3169d15617995FTFvZ9517


question:
14, 18, ['4521', 'w', '7235', '6241', '8917', 'f', 'w', 'R', 'z', 'm', '1143', '6095', 'N', '6193', 'c', '2647', 'Z', '3717', 'Z', 'g', 'l', '2855', 'y', 'R', '3429', '123']
answer:

6193c2647Z3717