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: 3, 12, ['1079', '1921', 'M', '3211', '3327', '309', 'F', '4229', 'n', '5187', '4685', '715', 'g', 'r', 'F']

M32113327309F4229n51874685715