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, 4, ['5315', 'r', '7193', '5325', 'q']

SOLUTION: 5315r71935325

PROBLEM: 7, 20, ['M', 'w', '4271', 'S', 'N', '2229', 'I', '5851', 'M', '7427', '9069', '507', 't', '9823', '1015', 'v', '3835', '2015', '3625', 'F', '9195', 'V', '3613', '6431', '3293', '2945', '4373', '2835', 'J']

SOLUTION: I5851M74279069507t98231015v383520153625F

PROBLEM: 19, 19, ['4917', '3489', 'B', 'O', 'O', '2209', '689', '7665', '1711', '5765', '3231', '1499', '6453', 'X', '8623', 'l', '5771', 'a', 'k', '9469', '1699']

SOLUTION:
k