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: 4, 4, ['x', 'B', 'M', '2375', '9021']

SOLUTION: 2375

PROBLEM: 17, 18, ['2961', 'I', 'Z', '9343', '5893', '7835', '311', '5889', '2031', '7107', '3723', '6545', '1295', '6709', '5993', 'J', 'B', 'g', '6261', 'X', '6781', '3825', 'j', 'C', '7881', 'a', 'z', 'x', '7173', 'z']

SOLUTION: Bg

PROBLEM: 4, 5, ['b', 'd', '8259', '8697', 't', '947', 'u', '471']

SOLUTION:
8697t