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

SOLUTION: 99634381493MV92097833

PROBLEM: 3, 5, ['w', 'B', 'N', 'D', 'm']

SOLUTION: NDm

PROBLEM: 12, 12, ['X', '8385', '5027', 'D', 'm', '7153', 'x', 'j', 'N', 't', 'z', '781', '5337', 'i', '561', '5005', 'J', '9605', '7953', '1149', '8283']

SOLUTION:
781