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:
9, 19, ['8853', '5105', '8221', 'r', 'M', '2825', 'V', '6443', '6929', '1785', 'M', 's', '9271', 'L', 'r', '6183', '1977', 'V', 'r', '5283', 'A', 'o', '1221', 'R']
answer:
69291785Ms9271Lr61831977Vr


question:
10, 13, ['d', 'c', '9219', 't', 'r', 'h', '2597', 'W', 'S', 'Y', 'j', 'u', '649', 'y', 'm', '5891', '2817', 'z', '9693', '4181', 'V', '7817', 'U', 'u', '3971', '2825']
answer:
Yju649


question:
3, 4, ['p', 'I', 'F', '1513']
answer:

F1513