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:
8, 12, ['m', 'v', '3139', '653', '9019', 'u', 'Y', 'a', 'e', '2067', '767', '5151']
answer:
ae20677675151


question:
3, 19, ['6195', '8547', '3909', '2045', '583', 'C', '5559', '2001', '2415', '8759', '8159', 'J', '7097', '3051', '7349', 'z', '1005', 'B', '2683', 'h', 'd']
answer:
39092045583C55592001241587598159J709730517349z1005B2683


question:
9, 12, ['J', 'G', '5159', '9495', 'V', 'L', 'o', 'B', '2195', '8235', '7337', '3893', 'd', '1687', 'Y', 'S', 'B', 'U', '1459', 'x', 'M', '53']
answer:

2195823573373893