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: 3, 12, ['i', 'T', '5733', '851', 'v', 'U', '6993', '7781', 'B', '5461', 'G', 'O']

SOLUTION: 5733851vU69937781B5461GO

PROBLEM: 11, 11, ['8463', '9147', 'A', '8063', '8771', '955', 'c', '1821', '9631', 'U', '7979']

SOLUTION: 7979

PROBLEM: 12, 15, ['5735', 'W', 'e', '7573', 'Q', '1145', 'M', 'q', 'r', 'R', 'o', 'P', '3857', '2769', '8419', 'r', 'i', 'w', '4887']

SOLUTION:
P385727698419