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: 14, 18, ['6701', 'P', '8571', 'W', '6047', 'j', '3439', 'X', 'N', 'Q', '8533', 'c', 'n', 't', '5019', '2729', 'm', '3155', '4655', 'g', 'z', '2217', 'l', '6473', '9979']

SOLUTION: t50192729m3155

PROBLEM: 12, 17, ['d', '5563', 'F', '3413', '7779', 'c', '5087', 'Y', '2703', '5531', 'Q', '8851', 'z', '4719', 'l', 'P', '2283', 'H', '2983']

SOLUTION: 8851z4719lP2283

PROBLEM: 19, 24, ['k', '6717', '9737', 'c', 'E', 'u', 'b', 'W', 'q', '8855', '6123', '3531', 'K', '8257', '8037', '8739', 'k', '2431', 'c', 'r', '6907', '5263', 'F', '6473', 'N', 'f', 'L', 'F', 'T']

SOLUTION:
cr69075263F6473