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, 20, ['T', '4981', '219', 'S', '9051', 'n', 'L', '8145', '8869', '7773', 'x', '8985', 'F', 'j', 'n', '3479', '1133', '8525', '3163', 'Q', '6191', 'Z', 'b', '2545']

SOLUTION: 9051nL814588697773x8985Fjn3479113385253163Q

PROBLEM: 2, 3, ['G', '3677', 'c', 'f', 'v', '8669', '2971', 'N', 'e', 'C', 'x', 'C', 'm', 't', '4103', 'L', '6289']

SOLUTION: 3677c

PROBLEM: 3, 8, ['1397', 'C', 'j', '4319', 'Y', '5719', 'y', '2891', 's']

SOLUTION:
j4319Y5719y2891