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: 12, 16, ['e', 'Q', 'C', 'k', 'C', '8163', 'd', 'm', 'R', 'V', '9179', 'y', 't', 'b', '1789', 'r', 'c', 'w', '6513', 'r']

ytb1789r