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:
13, 14, ['r', '2521', '8819', '2173', 'U', 'I', 'G', '2499', 'c', '6667', 'K', '1187', '3605', '9115', '3905', '7135', '3173', 'F']
answer:
36059115


question:
5, 14, ['Y', 'a', 'O', '371', '8533', 'R', 'g', '1313', '2819', '2939', '9179', 'Q', 'm', 'q', 'C', '3835', 'd', '4415', 'Q', 'O', '6239', '1663', 'c', '8659', 't', 'Y']
answer:
8533Rg1313281929399179Qmq


question:
14, 20, ['9351', 'U', 'l', 'f', '9523', 'S', 'c', 't', '6821', '1849', '8317', '3247', 'q', 'I', 'Z', 'C', 'x', 'x', '2043', '9145']
answer:

IZCxx20439145