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:
19, 23, ['7749', 'H', 'y', '7905', '8567', '3819', '2839', '9145', '4915', 'M', 'U', '7891', '5601', '7109', 'x', 'z', '295', '8709', 'G', 'L', '1297', 'W', '6037', '2479', 'F', '5493', 'Q']
answer:
GL1297W6037


question:
1, 22, ['3969', 'e', 'B', 't', 'G', '9783', 'F', '7655', '8287', 'j', 's', '4477', 'k', 'a', 'L', '419', '3975', 'X', '8205', 'f', '4253', '1477', 's']
answer:
3969eBtG9783F76558287js4477kaL4193975X8205f42531477


question:
14, 18, ['k', '3941', '3193', '3537', '5341', 'x', '7549', 'y', '9937', 'h', '3997', '1857', '8197', 'K', '7377', 'w', 'q', '9837', '4033', 'm', '4275', '4979', 'X']
answer:

K7377wq9837