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, ['B', 'N', 'X', '393', 'F']
[EX A]: BN

[EX Q]: 6, 6, ['2657', '8321', 'n', 'Q', '4697', 'n', 'i', 'Z', 'L', 'c', 'B', 'J', '1859', '5715', '2255', '1603']
[EX A]: n

[EX Q]: 1, 2, ['4139', '2211']
[EX A]:
41392211