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: 5, 17, ['y', 'j', '123', 'j', 'E', '8545', '973', '2775', '3093', '5635', 'V', '1089', '783', '2655', '1049', 'b', '5631', '5255', 'b', 'L', 'U', '5297']

E8545973277530935635V108978326551049b5631