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 Input:
16, 18, ['373', 'q', '5873', 'R', 'Y', 'O', 'r', 'U', '5249', '3393', '355', '931', '1621', '4269', 'M', 'Q', '1051', '9755', '5463', '9821', 'x', 'y', 'j', 'W', '6795', 'X', 'H', 'G', 'u']

Ex Output:
Q10519755


Ex Input:
19, 20, ['s', '2571', 'q', '2397', 'T', '3995', 'W', 'f', '7847', 'w', 'b', 'X', '5027', 'z', 'I', '9187', '2715', '9005', 'K', 'h', 'A']

Ex Output:
Kh


Ex Input:
1, 5, ['7197', '9', '8871', '7397', 'o']

Ex Output:

7197988717397o