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: 6, 18, ['1583', 'k', '8481', 'W', 'E', 'M', 'b', 'N', '3573', 's', '4401', 'g', 'Z', '5311', 'j', '1747', '5435', '4135', '5195', '8781', '3313', '4065', 'N', 'I', '9645', '3581', 'Q', 'u']

SOLUTION: MbN3573s4401gZ5311j174754354135

PROBLEM: 13, 15, ['e', '7179', 'W', 'k', '9187', 'l', 'w', '4171', '4091', 'C', '8441', 'P', 'b', '6177', '9279', 'L']

SOLUTION: b61779279

PROBLEM: 4, 9, ['L', 'l', 'T', '8513', 'I', 'r', 'j', '6007', 'x', '6879']

SOLUTION:
8513Irj6007x