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: 3, 4, ['u', '5391', '8161', '4629', '7159']

Answer: 81614629


Question: 4, 5, ['7973', '2725', 'o', '7407', '99', 'I', 'G', 'e', '6517', '6979', '2273', 'K', '2143', '3599', 'a', '9377', '4071', 'z', 'b', '8969', 'J', 'y']

Answer: 740799


Question: 8, 18, ['M', '209', 'u', '4999', 'K', '8667', 'i', 'd', '4905', '7871', 'h', 'D', '8505', '7899', '1505', '3367', '3039', 'o']

Answer:
d49057871hD85057899150533673039o