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:
4, 5, ['7753', 'N', '7285', '7559', '7245', 'W', 'W', '2525', '9219', '2041', 'n', 'k']
answer:
75597245


question:
1, 3, ['1963', '8375', 'l', '2629', '2987']
answer:
19638375l


question:
2, 8, ['1283', '6239', '2667', '5309', '8253', 'H', '1909', '3717']
answer:

6239266753098253H19093717