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, 12, ['4371', 'X', '915', '7943', 'o', 'r', '3429', 'r', '4023', 'G', 'W', 'C', 'T', '5155', 'k', 'e', '309', '9137', '9189', 'D', 'Z', 'P', '4405', '111', 'r', '6033', 'y']

r3429r4023GWC