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, ['435', '8173', '4287', '955', 'E', '5223', 'A', '4579', '4733', 'q', 'm', '5703', 'i']

5223A45794733qm5703