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: 1, 4, ['L', 'i', '6339', 'p', 'R', '7303', 'R', 'k', '7851']

Answer: Li6339p


Question: 4, 4, ['c', '7191', 'r', '4137', '9171', 'l', 'g', 'Q', '7893', 'M', 'W']

Answer:
4137