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, 3, ['1153', '947', '8291']
answer:
11539478291


question:
5, 5, ['7173', 'b', '9573', 'O', '8047', 'f']
answer:
8047


question:
1, 1, ['c', 'c', '2227']
answer:

c