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: 4, 12, ['437', '6133', '7997', 'Q', 'c', '7427', '6893', 'y', '733', '8107', 'J', '5665', 'z', 'G', '6903']

Qc74276893y7338107J5665