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:
1, 11, ['269', '3979', 'z', 'T', '5675', 'y', '8339', 's', 't', '3811', 'C', '8661']
answer:
2693979zT5675y8339st3811C


question:
9, 10, ['8633', 'Q', 'h', 'r', '6939', 'U', 'F', '9823', '7707', 'a', 'C', 'o', '5621', 'V', 'S', 'f', 'u', '3607', '3883', 'U', '8939']
answer:
7707a


question:
9, 13, ['4389', 'c', 'f', '6871', 'p', '4965', 'w', '6423', 'K', '525', 'x', '5967', '5839', '7393', '9663', 'R', '6361', 'Y', '8229', 'N', '8179', '721']
answer:

K525x59675839