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, ['A', 'n', '8627', '6149', '4977', 'J', '131', '7387', '9621', 'I', 'H', 'X', '4593']
answer:
An862761494977J13173879621IH


question:
2, 7, ['4975', 'a', '4411', 'R', 'E', '1099', 'v', '8849', '4809', '9061', 'k', 'c', 'H', '1595', '803', 'b', '4975']
answer:
a4411RE1099v


question:
3, 4, ['6699', 'P', 'I', '5647', '8019', '6073', '3121']
answer:

I5647