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: 7, 11, ['7839', 'o', 'g', '5023', 's', 'x', '4957', '1597', '503', 'p', '1191']

49571597503p1191