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:
9, 13, ['3605', 'j', 'i', '1593', 'U', '2073', '4373', '6569', 'A', '315', '4629', 'G', '6917', '4835', '9531', 's', 'w', '9699', 'z', '8325', 'V']
answer:
A3154629G6917


question:
8, 11, ['F', '8031', '1539', '6973', '3103', 'I', '9639', 'm', 'x', 'j', '9811']
answer:
mxj9811


question:
22, 23, ['k', 'Q', 'e', '5213', '3785', '897', 'c', '8101', '7093', '177', '139', 'n', 'Y', '9859', 'i', 'q', '4839', '4467', '3613', '3667', '2841', '121', '4513']
answer:

1214513