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:
15, 26, ['4409', '3509', 'X', '5247', 'Y', '8293', 'U', 'r', 'm', 'W', 'V', '1957', '9837', '995', '691', '3855', '2711', 't', 's', 'e', 'A', 'V', 'J', '9425', 'n', 'X', 'j', '6901', '2617']
answer:
69138552711tseAVJ9425nX


question:
10, 12, ['6999', '2223', '7751', 'b', '1379', 'e', 'v', '6749', 'k', '6697', '9', 'K', '5093']
answer:
66979K


question:
15, 19, ['k', 'g', 'r', 'z', 'O', '5677', '9685', '9053', '2323', '7493', 'Z', 'h', '6875', 'u', '5307', 'V', '3949', 'r', '3891', '8559']
answer:

5307V3949r3891