Teacher: In this task you are given a list of numbers and you need to find the average of each two consecutive values. The average of two numbers a and b is calculated as: (a + b) /2. The output should be a list of the averages of each two consecutive values. A list is presented with two brackets and comma-separated values, like: [1,2,3].
Teacher: Now, understand the problem? If you are still confused, see the following example:
[-4, 7, 3]
Solution: [1.5, 5]
Reason: To create the answer, we should first calculate the average of -4 and 7, that is: (-4 + 7 ) / 2 = 1.5, so the first element of the answer is 1.5. Then, we need to calculate the average of 7 and 3, that is: 5. So the second element of the answer is 5.

Now, solve this instance: [-57, 83, 91, -26, -2, -81, -48, 89, -86, 4, -48, 49, -85, -22]
Student:
[13.0, 87.0, 32.5, -14.0, -41.5, -64.5, 20.5, 1.5, -41.0, -22.0, 0.5, -18.0, -53.5]