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:
7, 8, ['9045', 'C', 'V', 'G', 'Q', 'I', '9821', 'D']
answer:
9821D


question:
7, 10, ['5335', '1271', '3921', 'S', '3641', 'r', 'G', 'm', 'C', '3783', '5195']
answer:
GmC3783


question:
2, 8, ['f', '1357', 'Q', 'm', 'N', '2197', '5459', '6229', 'v', '1443', '4281', 'V', '299', 'i', '4533', '2819', 'W']
answer:

1357QmN219754596229