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:
8, 11, ['F', '8031', '1539', '6973', '3103', 'I', '9639', 'm', 'x', 'j', '9811']
answer:
mxj9811


question:
4, 10, ['1745', 't', 'W', 'u', '929', '4873', '9479', 'P', '7881', '7971', 'I', '3813', 'W', 'x', 'G', '5495', 'S', '2333', 't', '2175', 'q', '3063', '3409', 'N', 'H', 'z', '4567', '8159', '3641', 'K']
answer:
u92948739479P78817971


question:
22, 28, ['U', '1741', '8139', '6593', '867', 'Y', '6719', 'o', 'A', 'u', 'd', 'W', '9971', '9787', 's', '5591', 'l', 'p', 'J', 'Z', '6553', 'M', 'b', '4739', '1697', '1253', '3229', 'B']
answer:

Mb4739169712533229B