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: 4, 6, ['5131', '1157', 'L', '2485', 'Z', 'a', '6893', '7895', '4665', '5877', '5131', 'Z', 'l', '2887', '9777']

SOLUTION: 2485Za

PROBLEM: 3, 6, ['m', 'K', '293', '6439', 'x', 'f']

SOLUTION:
2936439xf