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: 9, 19, ['2139', '6849', 'b', '9459', 'v', 'h', 'i', '7977', 'q', 'Z', '7577', 'P', '9971', 'c', '567', 'J', '693', 'N', 'r']

Answer: qZ7577P9971c567J693Nr


Question: 2, 16, ['b', '4977', 'P', '795', 'e', 'a', 'g', 'g', '2933', 'S', '2205', 't', '5979', 'r', 'P', 'p', 'I', '1677', '9963', 'D', 'u', 'R']

Answer: 4977P795eagg2933S2205t5979rPp


Question: 2, 3, ['8543', '3395', 'J', '1569', '3547', '4241', 'j', '1937']

Answer:
3395J