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: 2, 16, ['5271', 'H', 'z', 'M', '2793', 'h', 'C', 'J', '3517', 'Q', 'R', 'm', 'j', 'p', '1461', 'U', 'Q', 'P', '7079', '4695', '4029', '8635', 'x']

SOLUTION: HzM2793hCJ3517QRmjp1461U

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

SOLUTION: R112159432875

PROBLEM: 9, 22, ['r', 'X', 'X', '821', '5241', '5433', '9519', 'v', '2001', '7595', '1495', 'W', 'R', '911', '6509', 'H', 'E', '4917', '6815', '4613', '9279', '3331', 'p', 'p', 'f', 'F', '1417']

SOLUTION:
200175951495WR9116509HE49176815461392793331