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: 1, 12, ['b', '8307', '7655', 'N', 'u', '6957', '2517', 'Q', '9919', '3071', 'a', '9553', '6113', '7539', 'j', '3429', '2831', '1145', '7961', '9367', 'Q', '7857', 'Q', '5747']

b83077655Nu69572517Q99193071a9553