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:
1, 5, ['u', '157', '113', '4103', 'n', 'R', '6183', 'e', '439', '9053', 'k', 'z', '8999', '9613']
answer:
u1571134103n


question:
5, 7, ['r', '5119', 'd', 'h', '433', 'S', '5415', '7111', '9831', '1611', '3827', 'o', '2181', '819', '449', '5289', '6979', 'D', '9025', '901', '9319', '8035', 'j', '241', 'H']
answer:
433S5415


question:
10, 13, ['P', '4781', 'h', '3069', '1815', '9161', '8131', '8805', 'N', '5545', 'c', 'E', '4637', 'H', 'U', 'F', '4219', '7665', 'k', '9089', '1435', 'g', '2915', 'H', 'j', '2815', '759', 'x', 'p']
answer:

5545cE4637