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: 7, 19, ['6151', 'l', 'J', 'E', '9937', 'B', '7501', '6221', 'K', '121', '7373', 'f', '2067', 'l', 'k', '3715', 'X', 'K', '7423']

SOLUTION: 75016221K1217373f2067lk3715XK7423

PROBLEM: 2, 7, ['4975', 'a', '4411', 'R', 'E', '1099', 'v', '8849', '4809', '9061', 'k', 'c', 'H', '1595', '803', 'b', '4975']

SOLUTION: a4411RE1099v

PROBLEM: 3, 24, ['6673', '751', '6129', 'F', '6843', '4111', 'c', 'G', '6605', '5647', 'a', '5947', 'i', '1399', 'h', '8279', 'a', 'k', 'C', '2895', '5763', '4785', 'm', '8479', '7549', '2185']

SOLUTION:
6129F68434111cG66055647a5947i1399h8279akC289557634785m8479