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:
4, 8, ['G', 'f', 'x', 'd', '723', 's', 'J', '5709', 'Q', 'K', '4341', '3731', '3705', 'g', 'c', 'u', 'j', '861', '3793', '8695']
answer:
d723sJ5709


question:
7, 10, ['f', 'O', '9605', 'k', '5619', 'K', 'a', '2063', '4569', '8457', 'x', 'K', '7979', '3955']
answer:

a206345698457