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: 10, 12, ['6999', '2223', '7751', 'b', '1379', 'e', 'v', '6749', 'k', '6697', '9', 'K', '5093']

Answer: 66979K


Question: 3, 5, ['w', 'B', 'N', 'D', 'm']

Answer: NDm


Question: 1, 4, ['7159', '1147', 'u', '9945']

Answer:
71591147u9945