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: 5, 5, ['r', 't', '9145', 'M', '825', '1955', 'M', 'p', '307', '339', 'v', '6235', 's', '4521', '5971', 'g', '667']

825