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: 5, 13, ['9669', '7783', 'M', 'Q', 'U', '3521', '9305', 'X', 'd', '7401', '4845', '9237', 'P', 'o', 'O']

SOLUTION: U35219305Xd740148459237P

PROBLEM: 4, 10, ['x', '6441', 'j', '9963', '4381', '493', 'M', 'V', '9209', '7833', '5569', 'u', '9505', 'p', 'X', '4595', 'b', '5781', '7251']

SOLUTION: 99634381493MV92097833

PROBLEM: 4, 9, ['c', 'D', '5733', '8333', '6175', 'X', 'x', 'D', '2557']

SOLUTION:
83336175XxD2557