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: 5, 16, ['r', '1927', '7521', '8851', 'r', 'd', '7505', '4957', '7459', 'B', 'T', 'Q', 'S', '1889', 'w', 'G', '8575', 'p', 'E', '7955', '8681']

rd750549577459BTQS1889wG