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.

[EX Q]: 1, 2, ['D', '5207']
[EX A]: D5207

[EX Q]: 4, 5, ['7973', '2725', 'o', '7407', '99', 'I', 'G', 'e', '6517', '6979', '2273', 'K', '2143', '3599', 'a', '9377', '4071', 'z', 'b', '8969', 'J', 'y']
[EX A]: 740799

[EX Q]: 12, 18, ['O', '5423', '6135', '6547', '169', '4871', 'Z', 'M', 'h', '2485', 't', '7377', '6121', 'j', 'y', 'K', 'T', '2761', '4299']
[EX A]:
73776121jyKT2761