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, 13, ['469', '2079', 'r', '3969', '9143', 'K', 'U', 'w', 'U', 'b', 'N', '8587', '7767', 'f']

SOLUTION: wUbN85877767

PROBLEM: 6, 7, ['1277', '1589', 'Z', 'U', '507', '4913', 'g', '4789']

SOLUTION: 4913g

PROBLEM: 8, 17, ['5481', '5703', 'u', '7773', '9377', '9271', 'J', '2497', '3315', 'Q', 'W', 'k', 'M', 'h', 'P', '1901', '5275', 'N', '9133', '1909', '8623']

SOLUTION:
24973315QWkMhP19015275