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:
4, 14, ['h', '2437', 'T', '9291', 'i', '9907', '2027', 'V', 'W', '6303', '3345', 'g', '4119', 'o']
answer:
9291i99072027VW63033345g4119o


question:
4, 13, ['O', 'J', '303', '8511', 'M', '8063', '3389', '9473', 'c', '4853', 'L', 'm', 'b']
answer:
8511M806333899473c4853Lmb


question:
7, 23, ['T', '697', 'T', 't', 'N', 'j', 'j', '5809', 'U', 'R', 'H', 'e', '5807', '801', 'X', '3421', 'h', 'v', '607', '6821', '4791', '6471', '3181', 'p', '379', 'S', '6401', '5903', 'D']
answer:

j5809URHe5807801X3421hv6076821479164713181