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: 2, 7, ['T', 'L', 'F', 'W', '9781', 'Y', '4499']

Answer: LFW9781Y4499


Question: 5, 6, ['C', 'z', 'y', '2559', '817', 'A', 'X', 'l', '749', 'B', 'p', '5497', '5577', 'b', '5457', 'G', 'o', 'z']

Answer: 817A


Question: 2, 18, ['X', 'g', '1883', '6987', 'z', 'P', 'S', 'i', '1751', '447', '8539', '8453', '2705', 'z', '9103', 'n', '8357', 'K', 'f', 't']

Answer:
g18836987zPSi1751447853984532705z9103n8357K