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, ['B', 'F', '2005', '3525', 'I', '8515', 't', '9751', '7049', '3233', 'M', '1313']
answer:
20053525I8515t975170493233


question:
1, 1, ['S', '5881']
answer:
S


question:
2, 6, ['4765', '4517', 'R', '2125', '6787', '6437']
answer:

4517R212567876437