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: 4, 16, ['l', 'e', 'g', '1367', '835', 'P', '9523', 'X', 'O', '6423', 'A', 'w', '2597', 'K', '6123', 's', 'c']

SOLUTION: 1367835P9523XO6423Aw2597K6123s

PROBLEM: 1, 7, ['q', 'G', '8805', '1201', '6131', 'a', '3789', '9671']

SOLUTION: qG880512016131a3789

PROBLEM: 10, 12, ['1463', 'y', 'E', 'L', '8221', '7075', '1647', '4071', '315', 'n', 'Z', '9097', 'U']

SOLUTION:
nZ9097