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, ['E', 'W', '2117']
[EX A]: EW

[EX Q]: 3, 5, ['951', '6733', 'g', '1119', 'U', '4025']
[EX A]: g1119U

[EX Q]: 1, 1, ['9823', 'L', 'X', '1811', '6181']
[EX A]:
9823