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:
1, 4, ['w', 'e', 'O', '849', '5031', '3485']
answer:
weO849


question:
7, 17, ['9105', '7319', 'J', 'Y', 'L', '495', 'x', '9123', 'K', 'i', 'W', '4619', '9285', '1107', '1385', 'm', '7909', 'C', 'o', '6953']
answer:
x9123KiW4619928511071385m7909


question:
1, 1, ['m', '5321', 'l']
answer:

m