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, 18, ['u', 'E', '1813', '3805', '3173', '6715', 'F', '801', 'r', '197', 'L', 'H', 'P', 'I', 'S', 'x', 'y', '843', 'J', '7561', '3371', '395', '6757', 'W', 'h', '9183', '933']

uE1813380531736715F801r197LHPISxy843