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:
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, 11, ['w', 'o', '1409', '2083', 'f', '2187', 'N', 'K', '6527', '7477', '7705', 'L', 'D', 'z', 'f', 'J', '1441']
answer:
2083f2187NK652774777705


question:
10, 13, ['249', 'y', '2303', 'j', 'H', '287', '913', 'P', 'M', 'i', '7639', 'l', '5671', 'T', 'w']
answer:

i7639l5671