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:
5, 8, ['19', '4575', 'E', 'x', '2013', '2509', '9347', 'H', '2709', '5473', '2845', 'K', 'o', '7575', '2477', 'W', '2087', 'R', 'T', 'T', 'R', 'p', 'm']
answer:
201325099347H


question:
19, 20, ['s', '2571', 'q', '2397', 'T', '3995', 'W', 'f', '7847', 'w', 'b', 'X', '5027', 'z', 'I', '9187', '2715', '9005', 'K', 'h', 'A']
answer:
Kh


question:
9, 11, ['B', 'D', '8517', '3283', 'U', 'g', 'M', 's', 'H', '2413', 'j', 'u', 'r', '5993', 'K', '8475', 'F', 'B']
answer:

H2413j