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: 2, 18, ['6685', 'g', 't', 'f', '2203', 'F', '577', '961', 'Y', '2013', 'C', '899', '9825', 'd', '9741', 'P', 'u', 'b', 'P', 'V', 's', 'x', 'p', '8489', '2553', '123', 'A', '8371']

SOLUTION: gtf2203F577961Y2013C8999825d9741Pub

PROBLEM: 5, 12, ['U', 'o', 'h', 'D', '3837', '4233', 'Y', '3705', 'R', '6819', 'X', '1179', 'Z', '2195', '2851', 'T', 'R', '5615', '8627', 'H', 'a', '215', 'm', 's', '9705']

SOLUTION: 38374233Y3705R6819X1179

PROBLEM: 1, 1, ['7863', 'g', 'W', 's', '795', '8709', 'X', '7811', '9107', 'G', '5841', '5907', '9711', 'h', 'r', 'i', '9773']

SOLUTION:
7863