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: 10, 11, ['7999', 'F', '7363', 'E', 'j', '825', 'i', 's', '5691', '1837', '6625']

SOLUTION: 18376625

PROBLEM: 1, 4, ['R', '1121', '5943', '2875']

SOLUTION: R112159432875

PROBLEM: 3, 8, ['7555', '29', 'H', 'T', '2075', 'U', '4519', 'I', '1593', 'a', '6927', '9059', 'T', '4149', '9419']

SOLUTION:
HT2075U4519I