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, 4, ['R', '1121', '5943', '2875']
[EX A]: R112159432875

[EX Q]: 11, 14, ['3803', '371', '3451', '8133', 'A', 'W', '1751', 'v', '619', '2241', '7221', 'B', 'L', '8105', '8555', '623', '4589', '2401', '9335', 'Y']
[EX A]: 7221BL8105

[EX Q]: 2, 2, ['645', '4011']
[EX A]:
4011