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.
--------
Question: 19, 22, ['7703', '7357', '5135', '7591', '4279', '1403', '6675', '5855', 'i', '3281', 'w', 'f', 'N', 'r', '3507', '5373', 'R', '7783', '215', '8759', 'A', 'P']

Answer: 2158759AP


Question: 18, 21, ['k', 'p', 'k', '115', '5813', '4665', '6773', '9965', 'F', '8533', 'c', '8893', 't', '7853', 'g', 't', '1889', 'd', '5063', '279', '9911', 'f', '95', '2895', 'R', '7785', '9179', 'g']

Answer: d50632799911


Question: 7, 25, ['23', 'E', 'N', 'Z', 'q', '6861', 'f', '9387', '8301', '6787', '6957', '1887', 'a', '6867', 'c', '861', 'O', '775', 'd', '4895', 'e', 'n', '4097', '823', '9333', '6929', 'K', '8757', 'B', '7399']

Answer:
f93878301678769571887a6867c861O775d4895en40978239333