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: 9, 9, ['3149', '8605', '3995', 'R', '4511', 'W', '9457', 'P', '8439', '1467', 'Y', '7429', 'D', 'R', '4749', '3351', '2555', 'Q', 'F', 'u', '6815', 'B', '4005', '8113', 'A']

Answer: 8439


Question: 14, 18, ['v', '6023', '2467', '8911', '1449', '4251', 'L', 'E', '8575', 'J', 't', '1571', '631', 't', '7285', 'n', '3601', '3457', 'T', 'i', 'F', '6671', '5771', '897', '579', '3859', 't', '263', '8253']

Answer: t7285n36013457


Question: 5, 12, ['k', 'm', '3051', 'S', 'f', 'a', '5841', '3825', '4087', '8189', '61', '9935', 'b', 'e', 'L']

Answer:
fa5841382540878189619935