TASK DEFINITION: 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.
PROBLEM: 17, 18, ['7971', 'D', '2791', 'E', '5517', 'I', 'u', '9333', 'i', '1933', 'y', 'C', '1829', '8197', 'l', '5963', '4535', '5009', '4841', 'G', '8553', '1505']

SOLUTION: 45355009

PROBLEM: 5, 6, ['5153', 'B', '2761', 'f', 'h', 'x', 'L', '383', 'H', '8921', '6251']

SOLUTION: hx

PROBLEM: 1, 2, ['1175', 'T']

SOLUTION:
1175T