TASK DEFINITION: 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.
PROBLEM: 7, 8, ['8843', '5431', 'X', 'g', '9661', 'x', '4869', '7651']

SOLUTION: 48697651

PROBLEM: 20, 26, ['E', 'V', '6917', 'K', '9757', '985', '8375', '7783', 'O', 's', 'p', 'M', 'V', 'f', 'P', 'm', 'l', '8799', '3835', 'T', '1565', '4931', '265', 'N', 'n', 'z', '1651', 'w', '6267']

SOLUTION: T15654931265Nnz

PROBLEM: 5, 11, ['O', 'C', '5925', '6425', '4995', 'Z', '405', '8747', 'B', 'v', '4223', '5473', 'h', 'Z', '6291', 'C', 'm', 'R']

SOLUTION:
4995Z4058747Bv4223