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.
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Question: 6, 15, ['2129', 'm', 'W', '4213', '7813', 'k', 'w', '5781', 'I', 'V', '3351', 'H', 'x', 'b', 'n', 't', 'F', 'z', '9747']

Answer: kw5781IV3351Hxbn


Question: 15, 18, ['9781', '4365', '6517', 'u', 's', '9177', '8749', 'V', 'w', 'M', '5559', '5421', 'R', 'N', 'I', '5705', 'w', '5821']

Answer: I5705w5821


Question: 2, 5, ['m', '3715', '7409', 'b', '2081']

Answer:
37157409b2081