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, 1, ['7863', 'g', 'W', 's', '795', '8709', 'X', '7811', '9107', 'G', '5841', '5907', '9711', 'h', 'r', 'i', '9773']

7863