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:
3, 19, ['2549', 'N', 'w', 'E', '3855', 'u', 'x', 'Y', 'K', '7323', '9181', '2499', 'p', '821', '2731', '2451', '8037', 'n', '1251', '9403', '61', '3', '6575', '311', 'C', 'b', 'h']
answer:
wE3855uxYK732391812499p821273124518037n1251


question:
5, 6, ['2089', 'P', '269', 'p', '8259', '813', 'F', '5565', 'o', '7119', '4345', '4491', '2621', '8299', 'K', '4817']
answer:
8259813


question:
2, 14, ['r', '3701', '7829', 'k', 'F', '8923', 'B', '2695', '967', 'O', 'Q', '6321', 'w', '903', 'w', 'f']
answer:

37017829kF8923B2695967OQ6321w903