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:
1, 2, ['6729', 'z']

Ex Output:
6729z


Ex Input:
8, 11, ['2129', '3125', '6199', '3823', 'q', 'v', 's', '9725', '9651', '249', 'o', '827', 'a', 'g', 'B', '2093', 'v', 'm']

Ex Output:
97259651249o


Ex Input:
9, 12, ['5543', 'h', 's', 'f', '1047', '4389', 'X', '67', '1265', '257', 'c', 'u']

Ex Output:

1265257cu