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: 4, 4, ['r', 'P', '9883', 'Q']

SOLUTION: Q

PROBLEM: 18, 19, ['7745', 'u', '4007', '7081', 'f', 'G', '6389', '9397', '1873', '8991', 'p', '8205', '631', '833', '3729', 'l', '6093', '1119', '669', '2319', 'S', 'w', '6585', '6491', 'e', 'B', '8523', '8291', '5365', 'e']

SOLUTION: 1119669

PROBLEM: 18, 23, ['L', '8191', '2177', '1157', '7059', '2721', '1279', 'D', '1365', '7331', 'Y', '1785', '7845', '8489', '569', '6241', 'G', 'e', '7339', '7059', '1965', 'k', 'n', 'R', '1331']

SOLUTION:
e733970591965kn