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]: 9, 19, ['2139', '6849', 'b', '9459', 'v', 'h', 'i', '7977', 'q', 'Z', '7577', 'P', '9971', 'c', '567', 'J', '693', 'N', 'r']
[EX A]: qZ7577P9971c567J693Nr

[EX Q]: 1, 2, ['f', '6835']
[EX A]: f6835

[EX Q]: 5, 6, ['9171', 'u', 'o', 'K', '2105', 'L', 'H', 'o', '8389', 'E', 'd', '3843', '7241']
[EX A]:
2105L