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:
7, 7, ['3713', 'Y', 'Q', 't', 'a', '1235', 'f', '1953', 'B', '2695', 'I', '2265']
answer:
f


question:
2, 13, ['3969', 'F', '8021', 'S', '2059', '2765', '8545', '1039', 'Z', 'b', '5551', 'O', '1875', 'M', '9467', '9225', 'j', 'T', '4585']
answer:
F8021S2059276585451039Zb5551O1875


question:
4, 15, ['6891', '435', '6121', 'P', '6579', '4699', '1905', '3195', '2603', 'f', 'r', 'q', '7415', 'C', '3483', 'L', '2635', 'p', '463', '9859', '2881', 'T', '8329', 't']
answer:

P65794699190531952603frq7415C3483