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, 19, ['6151', 'l', 'J', 'E', '9937', 'B', '7501', '6221', 'K', '121', '7373', 'f', '2067', 'l', 'k', '3715', 'X', 'K', '7423']
answer:
75016221K1217373f2067lk3715XK7423


question:
2, 10, ['9417', '151', 'k', '7695', '7839', 'N', '7279', '5781', '7371', 'o', '6981', '1257', 'H', 'L', '9759', '4121', '133', '2703', '3913', '1933', '4751']
answer:
151k76957839N727957817371o


question:
18, 23, ['1333', 'J', 's', '7207', 'D', 'I', 'w', 'r', 'Z', 'X', '3931', '2253', '5511', '6081', '3949', '4109', '3237', '9165', '6349', '1151', '5515', '3533', 'P', 'I', '4189', '965', 'l', '3263', 'a', '409']
answer:

91656349115155153533P