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:
13, 14, ['r', '2521', '8819', '2173', 'U', 'I', 'G', '2499', 'c', '6667', 'K', '1187', '3605', '9115', '3905', '7135', '3173', 'F']
answer:
36059115


question:
1, 5, ['7117', '2053', 'U', '329', 'J', '4161']
answer:
71172053U329J


question:
4, 26, ['1469', 'u', '151', '5751', 'K', 'i', 'A', 'w', 'g', '3967', '7145', '1733', 'z', 'n', 'F', '6955', '3255', '8501', 'A', '7599', '5717', 'O', '1255', 's', 'A', '6503', '6267', '6355', 'K']
answer:

5751KiAwg396771451733znF695532558501A75995717O1255sA6503