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:
3, 10, ['4033', '1347', 'F', 'h', '8713', '2231', '7631', '3657', '129', '2141', '4691', '2259', 's', 'j', '7649', 'h', 'd']
answer:
Fh87132231763136571292141


question:
2, 7, ['6269', '4995', 'K', 'C', 'p', 'd', '9839', '5131', '5131', '287', '2087']
answer:
4995KCpd9839


question:
1, 12, ['7195', 'S', 'G', 'z', 'P', 'i', 'f', '1307', 'y', 'B', '5281', '2181', '2381', 'Q', 'p', 'y', 'C', '395', 'C', 'V', 'B', 'U', 'X', 'P', 'W', 'P', 'j', '5623']
answer:

7195SGzPif1307yB52812181