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, 13, ['n', 'f', 'U', '1925', '9695', '9059', 'y', '5627', 'B', 'E', '9881', '5607', '9197', '2169', 'b', 'k', '21', 'w', '9521', '5095', '6085', 's', 'W', '6023', '7735']

SOLUTION: E988156079197

PROBLEM: 1, 5, ['Q', 'J', '983', 'W', 'b']

SOLUTION: QJ983Wb

PROBLEM: 6, 10, ['7683', 'C', 'W', 'O', '6585', 'X', '8763', 'f', '8057', '4115', 'Z', '7255', '4425', 'S', '6415', 'Y', 'n', 'R', '189', 'D']

SOLUTION:
X8763f80574115