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: 7, 8, ['C', 'W', '7259', 'e', 'O', '6851', '6971', 'q', 'r', 'G', '8919', '3871', '141', 'u', 'R']

SOLUTION: 6971q

PROBLEM: 6, 8, ['3829', 'e', '1241', 'C', 'J', '845', 'u', '1815', 'C', '6909', '3849', '1749', '4017', '9691', '9773', 'V', '7711', '8497', '797', '355', '27']

SOLUTION: 845u1815

PROBLEM: 2, 17, ['v', '1707', '5131', 'M', 'd', 'I', 'x', '417', '4895', '7767', '8265', 'S', 'B', '8677', 'P', 'f', '447', '2397', '5329', '4761', '6435', '4629', 'i', '7721', 'M']

SOLUTION:
17075131MdIx417489577678265SB8677Pf447