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: 15, 18, ['M', '5751', '7433', '9369', '4447', '9', 'F', '249', '3915', '243', 'q', '5463', 'y', '5081', '1651', 'p', '3513', 'f', '8691', '849', 'C']

1651p3513f