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: 12, 16, ['V', 'b', '5681', '3457', '2951', 'h', 'B', 'W', '4177', 'P', 'T', '2747', '7697', '303', '5563', '2593', 'X', 'v', '8885', 'E']

SOLUTION: 2747769730355632593

PROBLEM: 7, 8, ['6921', '3459', '5521', '6215', 'r', '8397', 'R', '8499', '6683', '6595', '8315', '965', '3055']

SOLUTION: R8499

PROBLEM: 3, 5, ['7225', 'N', '6581', '601', 'f', 'R', 'Z', '8285', 'T', '3265']

SOLUTION:
6581601f