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: 7, 20, ['5101', 'D', '4701', '5807', '6773', '2579', 'g', 'Z', '3031', '5483', '5917', '3345', 'Q', 'S', 'r', '6751', 'e', '7577', 'c', 'w', 'X', 'v', '6197']

gZ3031548359173345QSr6751e7577cw