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:
8, 20, ['6321', '8465', '2149', '763', '6673', '4537', 'e', '7015', 'D', '3603', '8923', '2289', '3251', '2857', 'L', '5887', '6521', '7615', '235', 'V', '5551', 'V', '5127', '6743', '8281', '4365', '3747', 'A']
answer:
7015D36038923228932512857L588765217615235V


question:
8, 12, ['m', 'v', '3139', '653', '9019', 'u', 'Y', 'a', 'e', '2067', '767', '5151']
answer:
ae20677675151


question:
4, 9, ['5773', '3517', 'c', 'y', 'e', 'V', 'B', '7035', '6111', 'G', '1877', '3701', '883', '565', '565', '363', '5345', '829', 'J', '7865', '5557', 's', '8067', '9485', 'z', 'i', '5441', '6329', '4935']
answer:

yeVB70356111