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:
11, 11, ['8463', '9147', 'A', '8063', '8771', '955', 'c', '1821', '9631', 'U', '7979']
answer:
7979


question:
5, 7, ['r', '5119', 'd', 'h', '433', 'S', '5415', '7111', '9831', '1611', '3827', 'o', '2181', '819', '449', '5289', '6979', 'D', '9025', '901', '9319', '8035', 'j', '241', 'H']
answer:
433S5415


question:
16, 18, ['N', 'h', '6073', '1611', 'L', 'Z', 'P', '4479', 'Z', 'l', 'c', 'P', '849', '5597', 'r', 'x', '2159', 'J']
answer:

x2159J