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.

[EX Q]: 6, 7, ['9747', '2771', '8633', '4251', 'v', 'r', '6949', 'm', 'r', 'H']
[EX A]: r6949

[EX Q]: 3, 4, ['u', '5391', '8161', '4629', '7159']
[EX A]: 81614629

[EX Q]: 5, 5, ['s', '6695', 'P', '8169', 'd', '1001']
[EX A]:
d