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: 7, 8, ['9131', 'a', '1233', 'B', '2501', 'b', '7551', '3155', 'K', 'K', '2205', 'H', '2059', '6079', '6225', '9781', '5759', 'a', 'W', '8557', 't', 'j']

Answer: 75513155


Question: 12, 15, ['9349', 'l', 'n', '5081', '3021', 'a', '917', '6671', 'Q', '4033', 'v', 'i', 'k', '539', '1413', 'X', '7405', 'S', 'J', '6503', '4311']

Answer: ik5391413


Question: 12, 16, ['7041', '8999', 'r', '683', 'D', 'N', '8993', 'P', '3871', 't', '9821', 'M', 'y', 'p', '5851', 'C', 'T', '3757', 'B', '4027', '1457', 'N', '6195', 'E', 'b', '4129', '5335', 't']

Answer:
Myp5851C