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.

[EX Q]: 10, 12, ['6999', '2223', '7751', 'b', '1379', 'e', 'v', '6749', 'k', '6697', '9', 'K', '5093']
[EX A]: 66979K

[EX Q]: 3, 4, ['l', '2121', '2511', '383', '9105']
[EX A]: 2511383

[EX Q]: 6, 6, ['1819', 'l', '173', 'F', 'Q', '7639', 'l']
[EX A]:
7639