instruction:
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.
question:
7, 8, ['2669', 'z', '3795', 'G', 'q', '8169', '6933', '3971', 'q', 'M', 'h', 'd', '2085']
answer:
69333971


question:
1, 2, ['1723', '6539']
answer:
17236539


question:
3, 13, ['4283', 'H', '4739', '2607', '5317', 'I', 'l', '383', '3817', '359', 'f', '5057', '439', 'I', 'H', 'k', '2495', 'Y', 'q', 'n', 'O', 'b', 'K']
answer:

473926075317Il3833817359f5057439