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, 14, ['U', 'x', '8519', 'Y', 'o', '2259', '8209', 't', '3183', 'U', '8603', 'r', 'K', '4577', '5873', '6701']

Ux8519Yo22598209t3183U8603rK4577