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:
2, 6, ['s', 'C', 'T', 'o', '219', '9623', 'q', 'M', 's', 'p', '8907', '19']
answer:
CTo2199623


question:
1, 5, ['5653', '7085', 'r', 'm', '3457']
answer:
56537085rm3457


question:
8, 18, ['v', '6069', 'I', '7691', 'X', 'Q', '3837', 'A', '2007', '5257', 'l', '6157', 'I', 'g', '5287', '6323', 'C', '9605']
answer:

A20075257l6157Ig52876323C9605