instruction:
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:
2, 4, ['5237', 'X', '1691', '5405']
answer:
X16915405


question:
17, 22, ['j', '7277', '2497', '9357', '2901', '2899', 'X', 'y', '2559', 'V', 'D', 'a', '5435', 'K', '5667', '2935', 'g', '7451', '7429', '875', 'R', 'e', '6427', '1025', '5911', '2567', '4019']
answer:
g74517429875Re


question:
1, 4, ['6945', 'D', 'a', 's', 'q', 'M']
answer:

6945Das