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

SOLUTION: hx

PROBLEM: 5, 13, ['E', 'Z', 'e', 'f', 'j', '2399', 'n', 'r', '441', 'n', '9097', 'i', 'w', '1821', 'u', 'A', 'X', '2161', 'T', 'L', 'S', 'Q', 'k']

SOLUTION: j2399nr441n9097iw

PROBLEM: 3, 12, ['8103', '855', '9697', 'V', '9043', 'J', '4151', '4303', 'A', 'G', 'H', '5501', '9525', 'H', '5695']

SOLUTION:
9697V9043J41514303AGH5501