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].

[Q]: [7, -23]
[A]: [-8.0]


[Q]: [95, -87, -48, 69, -76, -19, 97, 97, -50, -74, -87, 91, 12, -47, 45]
[A]: [4.0, -67.5, 10.5, -3.5, -47.5, 39.0, 97.0, 23.5, -62.0, -80.5, 2.0, 51.5, -17.5, -1.0]


[Q]: [43, -49]
[A]:
[-3.0]