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: 1, 3, ['R', '6273', 'V', 'M', 'z', 'i']

SOLUTION: R6273V

PROBLEM: 2, 16, ['b', '4977', 'P', '795', 'e', 'a', 'g', 'g', '2933', 'S', '2205', 't', '5979', 'r', 'P', 'p', 'I', '1677', '9963', 'D', 'u', 'R']

SOLUTION: 4977P795eagg2933S2205t5979rPp

PROBLEM: 19, 19, ['f', 'c', '2735', '8377', 'G', 'o', 'm', 'S', 'n', '2461', '753', 'Z', 'C', '3947', 'S', 'j', '8421', 'z', '2967', '2603', 'L', 'E', 'l', '7717', '769', 'O', '4611']

SOLUTION:
2967

