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, 15, ['E', '7947', '2379', '239', 'x', '8929', '2535', '3075', '4003', 'd', '5045', 'H', '9249', 'O', '2903', '1', 'A']

E79472379239x8929253530754003d5045H9249O2903