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:
5, 5, ['m', '6561', '8687', '4209', 'x', 'u', 'D', '3673', '6175', '5195', 'n', '71', 'h', 'U', '1899', '4559', '2419', 't', 'a', '4165']
answer:
x


question:
1, 6, ['953', 'a', '9019', 'm', 'E', 's']
answer:
953a9019mEs


question:
3, 4, ['3647', '7167', '8859', '1349', '2105', 'I', '8915']
answer:

88591349