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: 13, 14, ['r', '2521', '8819', '2173', 'U', 'I', 'G', '2499', 'c', '6667', 'K', '1187', '3605', '9115', '3905', '7135', '3173', 'F']

SOLUTION: 36059115

PROBLEM: 7, 19, ['6151', 'l', 'J', 'E', '9937', 'B', '7501', '6221', 'K', '121', '7373', 'f', '2067', 'l', 'k', '3715', 'X', 'K', '7423']

SOLUTION: 75016221K1217373f2067lk3715XK7423

PROBLEM: 14, 17, ['4613', 't', '4185', '2489', '5927', 'g', 'e', 'm', 'G', 'n', '4113', '695', 'v', 'n', 'D', '8211', 'F', '679', '5331', '1629', '4425', 's', 'E', 'k', 't']

SOLUTION:
nD8211F

