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, ['2919', 'E', '7517', '6149', '8495', '2167', 'P']
[EX A]: 2919E

[EX Q]: 8, 8, ['2357', '1831', 'z', 'I', 'y', 'W', '1487', 's', '9219', '8049', '7605']
[EX A]: s

[EX Q]: 1, 2, ['j', '2821']
[EX A]:
j2821