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]: 6, 9, ['7139', 'Z', '4407', '9791', 'F', '139', '4927', 's', '4721', 'Y']
[EX A]: 1394927s4721

[EX Q]: 4, 8, ['I', '5999', 'n', 'F', 'r', '179', '8477', 'U', '7461', 'N', '1319', 'N', 'a', 'i', '1141', '1903', 's', 'n', 'L', 'v', 'J', '7245', '627', 'p']
[EX A]: Fr1798477U

[EX Q]: 7, 20, ['5101', 'D', '4701', '5807', '6773', '2579', 'g', 'Z', '3031', '5483', '5917', '3345', 'Q', 'S', 'r', '6751', 'e', '7577', 'c', 'w', 'X', 'v', '6197']
[EX A]:
gZ3031548359173345QSr6751e7577cw