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, 13, ['9669', '7783', 'M', 'Q', 'U', '3521', '9305', 'X', 'd', '7401', '4845', '9237', 'P', 'o', 'O']

SOLUTION: U35219305Xd740148459237P

PROBLEM: 3, 6, ['3315', 't', 'B', 'K', '631', 'e', '3715', 'o', '2761', 'e', 'a', 'K', 'J', '6837']

SOLUTION: BK631e

PROBLEM: 1, 6, ['q', 'Z', '573', 'V', '1051', '2355', 'B', 'b', '8613', '7091']

SOLUTION:
qZ573V10512355