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:
4, 4, ['r', 'P', '9883', 'Q']
answer:
Q


question:
19, 22, ['7703', '7357', '5135', '7591', '4279', '1403', '6675', '5855', 'i', '3281', 'w', 'f', 'N', 'r', '3507', '5373', 'R', '7783', '215', '8759', 'A', 'P']
answer:
2158759AP


question:
18, 21, ['7239', '519', 'r', 'i', '7235', '1237', '8725', '5423', 's', '9455', '9641', '9525', '7489', '9897', 'V', 'L', '9011', 'E', 'p', '4861', '1255', 'Y', 'v', 'W']
answer:

Ep48611255