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, 4, ['7311', '317', 'w', 'c', 'S', '5919', '3377']
answer:
wc


question:
3, 6, ['7269', '329', '3751', 'i', '9639', '8939']
answer:
3751i96398939


question:
6, 10, ['5199', '1973', '7139', 'Z', 'i', 's', '9931', 'U', 'N', 'F', 'Y', '9455', 'L', '555', '4953', '7303', 'u', 'A', '7341', '7215', 'W', 'b', '6507', 'w', '6377', '7763', '9475', 'u', 'Y']
answer:

s9931UNF