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: 1, 6, ['P', 'i', 'b', 'e', '3967', 'L']

SOLUTION: Pibe3967L

PROBLEM: 6, 13, ['k', 'Q', 'L', '809', 'w', 'a', '8087', 'x', '3715', '1625', 'I', '3155', 'M', 'Y']

SOLUTION: a8087x37151625I3155M

PROBLEM: 6, 8, ['O', 'q', '4221', 'c', '8051', 'V', '639', 'E', 'X', '8367', 'g', 'K', '2951', '6485', '7635', 'q']

SOLUTION:
V639E