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: 8, 8, ['137', 'b', '7765', 'l', 'E', '6783', '4243', '715', 'm', 'R', '4375', '8647', 'c', 'l', '5443', '2711', 'x', 'J', '3455', 'x']

SOLUTION: 715

PROBLEM: 7, 9, ['4579', '6799', 'v', '9023', '3091', 'q', '301', 't', '7195', '2223', '8861', '5725']

SOLUTION: 301t7195

PROBLEM: 4, 7, ['5073', 'u', 'X', '8299', '7719', 'p', 'r', 'u', '2837', 'f', 'e', 'v', 'C', 'b', 'U', '5197', 't', '9', 'G', '1373', 'K', '2857', 'x', '5377', '8081', '2441', '3841']

SOLUTION:
82997719pr