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: 4, 16, ['l', 'e', 'g', '1367', '835', 'P', '9523', 'X', 'O', '6423', 'A', 'w', '2597', 'K', '6123', 's', 'c']

SOLUTION: 1367835P9523XO6423Aw2597K6123s

PROBLEM: 3, 5, ['6903', 'h', '8957', '9567', '2639']

SOLUTION:
895795672639