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: 20, 28, ['N', 'M', '9871', 'u', '2203', 'K', '6489', 'M', 'g', 'F', '3063', '623', '2237', '3519', 'c', 'r', '5045', '4071', 'g', '375', 'r', 'E', '7319', '1617', '4213', 'Q', 'L', 'H', 'S']

375rE731916174213QLH