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:
6, 15, ['2129', 'm', 'W', '4213', '7813', 'k', 'w', '5781', 'I', 'V', '3351', 'H', 'x', 'b', 'n', 't', 'F', 'z', '9747']

Ex Output:
kw5781IV3351Hxbn


Ex Input:
8, 11, ['2695', 'h', 'z', 'D', '9987', 'V', '6193', '9123', '9459', 'v', 'i', 'z', '3129', 'v', '5717', '5291', 'X', '8975', 'z', '6957', '5291']

Ex Output:
91239459vi


Ex Input:
2, 7, ['6269', '4995', 'K', 'C', 'p', 'd', '9839', '5131', '5131', '287', '2087']

Ex Output:

4995KCpd9839