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.
Input: 4, 6, ['P', 'X', '5465', 'C', 'Q', 'G', 'm', '4835', '3987', '7155', 'o', '1473', 'J', 'a', 'e', 'b', '5639']

CQG