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: 6, 14, ['P', 'd', 'M', '2021', '1327', '473', '9195', '6997', '2441', '8179', '4211', '3503', '8351', 'u', '7887']

4739195699724418179421135038351u