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:
12, 20, ['e', '103', '5289', 'u', 'J', 'Z', 'n', '3135', '9139', '3517', '8931', 'd', '3055', 'T', 'l', '7499', '4177', 'n', '7127', 'v', 'd', 'Z', '6119', 'S', 'Y', 'w', 's', '9765', '2861', 'P']
answer:
d3055Tl74994177n7127v


question:
10, 11, ['n', '8775', 'd', '9955', '2443', '7093', 'C', 'W', '3409', 'y', '7137', 'E', '6055', 'P', 'x', 'E', 'K', '2607', '1935', 'C', 'l', 'q', 'S']
answer:
y7137


question:
2, 6, ['U', '3467', '7077', '2567', 'S', '209']
answer:

346770772567S209