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, 3, ['8535', '7245', '7895', '4463', '9075', '2857', '4277', '2061', 'u', '3581', 'O', 'd', '7159', '5245', 'Q', '5825']

SOLUTION: 853572457895

PROBLEM: 3, 4, ['8681', '2115', '9305', '2451']

SOLUTION: 93052451

PROBLEM: 6, 22, ['4797', 's', 'i', '5779', '665', '4571', 'I', '3403', 'P', 'c', 'D', 'C', '1113', '1045', 'B', 'R', '2825', 'J', 'U', 'w', '8851', 'f', '1089', '4755', 'C']

SOLUTION:
4571I3403PcDC11131045BR2825JUw8851f