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: 10, 16, ['s', '9789', '1437', '1339', 'l', '4411', 'b', 'd', '4489', 'U', '2967', 'j', 'g', '2589', '8319', 'I']

SOLUTION: U2967jg25898319I

PROBLEM: 4, 17, ['D', 'F', '2105', '4905', 'k', 'v', '9761', '2955', 'I', '817', '699', 'P', 'l', 'h', 'Z', 'P', 'L']

SOLUTION: 4905kv97612955I817699PlhZPL

PROBLEM: 9, 14, ['L', '5677', '3269', '1323', 'v', '8533', '9187', 'K', '9929', 'q', 'T', 'S', '9137', '9335', 'v', 'a', 'C', 'T', 'l', 'r', '6695', '6621', 'y', 'Q', 'q', '7447']

SOLUTION:
9929qTS91379335