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:
9, 13, ['1021', '3241', 'n', 's', '2629', '3551', '2853', '5549', '485', '9195', '3175', '6445', 'D', '2839']
answer:
485919531756445D


question:
6, 7, ['9651', 'R', '2667', '3671', 'J', '7683', 'J', 'i', '737', '5721', 'W', 'z', '9307', '9651', 'p', 'R', 'w', 'J', '289', 'g', 'i', 'A', '7165', 'W']
answer:
7683J


question:
2, 2, ['7281', 'l', '1671']
answer:

l