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, 10, ['z', '277', 'x', '1799', '5877', '9249', 'x', '6297', 'r', '9315', 'z']

SOLUTION: 277x179958779249x6297r9315

PROBLEM: 6, 7, ['9651', 'R', '2667', '3671', 'J', '7683', 'J', 'i', '737', '5721', 'W', 'z', '9307', '9651', 'p', 'R', 'w', 'J', '289', 'g', 'i', 'A', '7165', 'W']

SOLUTION: 7683J

PROBLEM: 3, 5, ['s', '827', '9309', '6947', 'F', 'q', '7561', '6045']

SOLUTION:
93096947F