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, 16, ['4857', 'c', 'a', '8757', '5345', 'k', 'n', '4579', 'N', 'b', '2307', 'e', 'V', '6941', 'i', '9495', '4431', '3791', '9647', '7883']

SOLUTION: 5345kn4579Nb2307eV6941i9495

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

SOLUTION: 1367835P9523XO6423Aw2597K6123s

PROBLEM: 3, 6, ['K', '2943', '8359', 'E', '2895', 'x']

SOLUTION:
8359E2895x