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:
11, 21, ['8339', 'U', 'p', '9819', '943', 't', 'U', '825', 'p', '3099', 'k', '5813', '1005', '4977', 'y', '8777', '1159', 'x', '9653', '5159', 'S', 'X', '7493', '1045', 'I', 'n']
answer:
k581310054977y87771159x96535159S


question:
2, 24, ['1005', '245', '3129', 'O', '7039', 'Y', 's', 'h', '5941', 'h', '2601', 'K', '1643', 'n', '27', 'T', '6865', 'h', 'w', '1707', '8443', '895', 'q', 't', 't', '4141']
answer:
2453129O7039Ysh5941h2601K1643n27T6865hw17078443895qt


question:
7, 13, ['f', 's', '6943', 'a', '6329', 'e', '8849', '4481', 'F', 'n', 'b', 'G', 'z', 'U', '3479', 'S', 'B', 'y', 'p', 'S', '5993', '9591']
answer:

88494481FnbGz