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, 1, ['Z', '5825', '8499', 'E', 'A', '4575', '9783', '1021', '5067', '9359', 'Q', '1489', '4793', 'g', '2967']
answer:
Z


question:
2, 4, ['2133', '7673', 'r', '6647', '899']
answer:
7673r6647


question:
9, 18, ['W', 'D', 'n', 'c', 'P', '6133', '4621', '4761', '5203', 'B', '8805', '3907', 'N', '9897', 'd', 'D', '9815', 'P', 'x', '3105', '3069', 'S', 'g']
answer:

5203B88053907N9897dD9815P