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: 6, 15, ['7309', '6531', 'L', '7269', '9781', 'j', 's', 'j', '1817', '3759', 'G', '1073', '3861', 'j', 'a', '1797', 'k', '4461', 'I', 'n', '3901']

jsj18173759G10733861ja