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: 9, 19, ['7349', '1109', '5079', 'a', 's', 'U', '7941', '8025', 'f', '1791', '2603', '2375', '5111', '5767', '1243', '1135', 'p', '4591', 'H', 'j']

f1791260323755111576712431135p4591H