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, 3, ['G', '3677', 'c', 'f', 'v', '8669', '2971', 'N', 'e', 'C', 'x', 'C', 'm', 't', '4103', 'L', '6289']
answer:
3677c


question:
1, 5, ['8849', '5383', '4553', '4513', '9299', 'h']
answer:
88495383455345139299


question:
14, 18, ['1411', '3743', 'W', '853', '3737', '2293', 'Q', '9487', '2467', 'a', 'f', 'N', 'x', '4755', '5347', 'L', '8233', '2877']
answer:

47555347L82332877