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]: 1, 2, ['1723', '6539']
[EX A]: 17236539

[EX Q]: 10, 10, ['9399', 'p', 'p', 'z', 'E', '4885', 'D', '9037', 'p', '7147', '1835']
[EX A]: 7147

[EX Q]: 1, 2, ['23', 'K']
[EX A]:
23K