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.

[Q]: 7, 19, ['6151', 'l', 'J', 'E', '9937', 'B', '7501', '6221', 'K', '121', '7373', 'f', '2067', 'l', 'k', '3715', 'X', 'K', '7423']
[A]: 75016221K1217373f2067lk3715XK7423


[Q]: 1, 13, ['K', 'O', 'I', '5587', '2301', '5083', '6683', '1973', 'r', 'S', 'Q', 'B', 'q', '1845', 'z', '8501']
[A]: KOI55872301508366831973rSQBq


[Q]: 1, 3, ['P', 'I', 'l', 'j', 'z', '5695', 'o', 's', '7523', '5111', 's', 't', '499']
[A]:
PIl