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:
4, 6, ['k', 'b', 't', '5167', '3621', 'V', '3487']
answer:
51673621V


question:
6, 7, ['9681', '4525', 'd', 'K', 'g', '9815', '1051', 'w', 'U', '2131', 'h']
answer:
98151051


question:
23, 23, ['8775', 'Y', 'j', '5825', 'm', 'V', 'Y', '267', 'b', 'I', '9571', 'K', '8953', '1279', '7793', '9985', '1561', '2871', '8251', 'r', '2105', 'U', '6217', 'Q', '9109', 'B']
answer:

6217


