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:
10, 19, ['4773', '7937', 'd', '373', 'o', '8767', 'Z', 'g', '2719', '8613', '3229', '6447', 'v', 'I', 'A', 'e', 'r', 'J', 'K', 'o', '4065', 'A', 'B', '8201', 'i', '1045', 'N', 'D', '7449', 'S']
answer:
861332296447vIAerJK


question:
4, 9, ['9451', 'm', '1961', '7733', '8541', 'n', 'o', 'F', '6697', '9977']
answer:
77338541noF6697


question:
12, 14, ['r', 'J', '7607', 'Q', '751', '1525', 'v', '8301', 'c', '5557', '6965', 'Q', '2289', 'r', '1625', 'b', '7047', 'G', '8921', 'S', 'F', 'P']
answer:

Q2289r