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, ['3149', '8605', '3995', 'R', '4511', 'W', '9457', 'P', '8439', '1467', 'Y', '7429', 'D', 'R', '4749', '3351', '2555', 'Q', 'F', 'u', '6815', 'B', '4005', '8113', 'A']
answer:
8439


question:
3, 5, ['w', 'B', 'N', 'D', 'm']
answer:
NDm


question:
4, 14, ['A', '4803', '8747', 'P', '2277', '2629', 'P', '923', '5967', '5741', 'f', 'z', '8025', '5171', '2331']
answer:

P22772629P92359675741fz80255171