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, 6, ['187', 'l', '5415', '9615', 'u', '407', 'e', '9143', '9091', 'g', 'm', '1101', 'q', '5497', 'o', '5901']

187l54159615u407