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, 6, ['953', 'a', '9019', 'm', 'E', 's']
[EX A]: 953a9019mEs

[EX Q]: 2, 17, ['5049', 'L', 'l', 'b', '5473', '9143', 'd', 'l', '4337', 'e', 'G', '5631', '7089', '2629', '3987', '8197', 'c', '8111', '1897', 'b', '1519', '2185', '8841', '7507']
[EX A]: Llb54739143dl4337eG56317089262939878197c

[EX Q]: 4, 7, ['6447', 'X', '5697', 'b', '2795', '801', '4703']
[EX A]:
b27958014703