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, 5, ['7117', '2053', 'U', '329', 'J', '4161']
answer:
71172053U329J


question:
11, 16, ['K', '933', '8495', 'w', '8021', 'z', 'N', '6219', '9437', 'R', 'I', '697', '6481', 'M', '4199', '2635', 't', 'x', 'V']
answer:
I6976481M41992635


question:
1, 3, ['5205', '2577', '3957', '5581']
answer:

520525773957