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:
5, 12, ['2463', '9553', 't', 'e', '7439', '7757', '7619', '8787', '1853', 'Q', 'u', 'V', '8243', '4889', 's']
answer:
74397757761987871853QuV


question:
1, 3, ['R', '6273', 'V', 'M', 'z', 'i']
answer:
R6273V


question:
4, 17, ['8245', '2857', 'V', 'T', 'a', '6867', 'e', 'E', '8501', '1101', 'S', '8641', 'R', 'Z', 'a', '3621', 'f', '5373', '3319', '4271']
answer:

Ta6867eE85011101S8641RZa3621f