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, 22, ['B', 'm', 'x', '9171', '647', 'v', '2383', '3365', '5017', 'l', '6865', '8839', '3521', '6639', '9907', 'A', 'A', 'W', 'Y', '5085', '5067', '2827']

9171647v238333655017l68658839352166399907AAWY508550672827