You will be given a definition of a task first, then some input of the task.
In this task, you are given inputs 'i', 'j', and A, where 'i' and 'j' are integers and A is a list. A list is shown by two brackets and comma-separated numbers and characters inside, like ['1', '12', 'l']. You need to concatenate all elements of A from the ith element to the jth element, and then reverse the resulting 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'. Perform the operations in order, i.e., do not reverse first and then concatenate.

10, 15, ['2781', 'y', 'U', 'g', 'L', 'e', 'b', '3739', 'z', 'V', 'd', '5813', 'Q', 'V', 'N', 'S', 'p', 'f', '8087', 'r', 'V', 'A', '9571', 'O', 'Q', '1177', '4653', 'z', '7357']
Output:
NVQ3185dV
You will be given a definition of a task first, then some input of the task.
In this task, you are given inputs 'i', 'j', and A, where 'i' and 'j' are integers and A is a list. A list is shown by two brackets and comma-separated numbers and characters inside, like ['1', '12', 'l']. You need to concatenate all elements of A from the ith element to the jth element, and then reverse the resulting 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'. Perform the operations in order, i.e., do not reverse first and then concatenate.

10, 15, ['2781', 'y', 'U', 'g', 'L', 'e', 'b', '3739', 'z', 'V', 'd', '5813', 'Q', 'V', 'N', 'S', 'p', 'f', '8087', 'r', 'V', 'A', '9571', 'O', 'Q', '1177', '4653', 'z', '7357']
Output:
user
NVQ3185dV
assistant
You will be given a definition of a task first, then some input of the task.
In this task, you are given inputs 'i', 'j', and A, where 'i' and 'j' are integers and A is a list. A list is shown by two brackets and comma-separated numbers and characters inside, like ['1', '12', 'l']. You need to concatenate all elements of A from the ith element to the jth element, and then reverse the resulting 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'. Perform the operations in order, i.e., do not reverse first and then concatenate.

10, 15, ['2781', 'y', 'U', 'g', 'L', 'e', 'b', '3739', 'z', 'V', 'd', '5813', 'Q', 'V', 'N', 'S', 'p', 'f', '8087', 'r', 'V', 'A', '9571', 'O', 'Q', '1177', '4653', 'z', '7357']
Output:
NVQ3185dV