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, 12, ['b', 'I', 'h', '5587', '4467', '9597', '5483', 'H', '7469', '4373', '7445', 'x', '8807', '3787', '9811', 'u', 'G', 'W', 'f']
answer:
Ih5587446795975483H746943737445x


question:
1, 5, ['Q', 'J', '983', 'W', 'b']
answer:
QJ983Wb


question:
2, 2, ['E', 'E', 'k', '9213', 'r', 'P', '1981', '9177', '9337', 'A']
answer:

E