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: 1, 11, ['Q', 'z', 'E', '4501', 'G', '4227', 'k', 'Y', '291', 'T', '1347', '6989', 'J', 'T', '7713', 't', '9903', '4703', '7389', '5391', '5111', 'Q', 'k']

SOLUTION: QzE4501G4227kY291T1347

PROBLEM: 18, 24, ['I', 'b', 'D', '1473', '1985', 'z', '1889', 'D', 'i', 'X', 'b', '5935', '3121', 'z', 'y', 'A', 'j', '5803', '9023', 'L', '1393', '3667', 'Y', 'M', '3021', 'l']

SOLUTION: 58039023L13933667YM

PROBLEM: 18, 22, ['R', '7403', 'b', 'R', 'y', '5343', '2589', '917', 'f', '5383', 'Q', 'f', '5491', 'j', 'v', '5073', '923', '5491', '6737', 't', 'S', 's']

SOLUTION:
54916737tSs